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Finding the Fourth Proportional to 735,459.30, 1,102,404.15 and 419,235.30

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Solution

The fourth proportional to 735,459.30, 1,102,404.15 and 419,235.30 is: 628,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,459.30 : 1,102,404.15 = 419,235.30 : x
  2. Step 2: Convert to fraction form
    735,459.30/1,102,404.15 = 419,235.30/x
  3. Step 3: Cross multiply
    735,459.30x = 1,102,404.15 × 419,235.30
  4. Step 4: Simplify right side
    735,459.30x = 462,166,734,546.50
  5. Step 5: Solve for x
    x = 462,166,734,546.50/735,459.30
  6. Step 6: Final answer
    x = 628,405.59

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Half scale
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Double scale
Find fourth proportional to 735,460.30, 1,102,405.65 and 419,236.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.