Home / 731,405.60-1,097,108.40-606,989.60

Finding the Fourth Proportional to 731,405.60, 1,097,108.40 and 606,989.60

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Solution

The fourth proportional to 731,405.60, 1,097,108.40 and 606,989.60 is: 910,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,405.60 : 1,097,108.40 = 606,989.60 : x
  2. Step 2: Convert to fraction form
    731,405.60/1,097,108.40 = 606,989.60/x
  3. Step 3: Cross multiply
    731,405.60x = 1,097,108.40 × 606,989.60
  4. Step 4: Simplify right side
    731,405.60x = 665,933,388,872.64
  5. Step 5: Solve for x
    x = 665,933,388,872.64/731,405.60
  6. Step 6: Final answer
    x = 910,484.40

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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.