Home / 971,998.84-1,341,359.24-542,279.10

Finding the Fourth Proportional to 971,998.84, 1,341,359.24 and 542,279.10

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Solution

The fourth proportional to 971,998.84, 1,341,359.24 and 542,279.10 is: 748,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.84 : 1,341,359.24 = 542,279.10 : x
  2. Step 2: Convert to fraction form
    971,998.84/1,341,359.24 = 542,279.10/x
  3. Step 3: Cross multiply
    971,998.84x = 1,341,359.24 × 542,279.10
  4. Step 4: Simplify right side
    971,998.84x = 727,391,086,812.91
  5. Step 5: Solve for x
    x = 727,391,086,812.91/971,998.84
  6. Step 6: Final answer
    x = 748,345.64

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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.