Home / 735,240.30-1,102,860.45-419,729.10

Finding the Fourth Proportional to 735,240.30, 1,102,860.45 and 419,729.10

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Solution

The fourth proportional to 735,240.30, 1,102,860.45 and 419,729.10 is: 629,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,240.30 : 1,102,860.45 = 419,729.10 : x
  2. Step 2: Convert to fraction form
    735,240.30/1,102,860.45 = 419,729.10/x
  3. Step 3: Cross multiply
    735,240.30x = 1,102,860.45 × 419,729.10
  4. Step 4: Simplify right side
    735,240.30x = 462,902,624,104.10
  5. Step 5: Solve for x
    x = 462,902,624,104.10/735,240.30
  6. Step 6: Final answer
    x = 629,593.65

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Double scale
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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.