Home / 731,260.60-1,097,538.90-431,366.20

Finding the Fourth Proportional to 731,260.60, 1,097,538.90 and 431,366.20

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Solution

The fourth proportional to 731,260.60, 1,097,538.90 and 431,366.20 is: 647,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,260.60 : 1,097,538.90 = 431,366.20 : x
  2. Step 2: Convert to fraction form
    731,260.60/1,097,538.90 = 431,366.20/x
  3. Step 3: Cross multiply
    731,260.60x = 1,097,538.90 × 431,366.20
  4. Step 4: Simplify right side
    731,260.60x = 473,441,184,645.18
  5. Step 5: Solve for x
    x = 473,441,184,645.18/731,260.60
  6. Step 6: Final answer
    x = 647,431.55

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Double scale
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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.