Home / 731,376.40-1,008,893.24-425,418.34

Finding the Fourth Proportional to 731,376.40, 1,008,893.24 and 425,418.34

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Solution

The fourth proportional to 731,376.40, 1,008,893.24 and 425,418.34 is: 586,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,376.40 : 1,008,893.24 = 425,418.34 : x
  2. Step 2: Convert to fraction form
    731,376.40/1,008,893.24 = 425,418.34/x
  3. Step 3: Cross multiply
    731,376.40x = 1,008,893.24 × 425,418.34
  4. Step 4: Simplify right side
    731,376.40x = 429,201,687,398.02
  5. Step 5: Solve for x
    x = 429,201,687,398.02/731,376.40
  6. Step 6: Final answer
    x = 586,841.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.