Home / 971,998.79-1,341,356.36-542,253.29

Finding the Fourth Proportional to 971,998.79, 1,341,356.36 and 542,253.29

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Solution

The fourth proportional to 971,998.79, 1,341,356.36 and 542,253.29 is: 748,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.79 : 1,341,356.36 = 542,253.29 : x
  2. Step 2: Convert to fraction form
    971,998.79/1,341,356.36 = 542,253.29/x
  3. Step 3: Cross multiply
    971,998.79x = 1,341,356.36 × 542,253.29
  4. Step 4: Simplify right side
    971,998.79x = 727,354,889,854.38
  5. Step 5: Solve for x
    x = 727,354,889,854.38/971,998.79
  6. Step 6: Final answer
    x = 748,308.44

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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.