Home / 971,998.95-1,341,359.39-542,279.16

Finding the Fourth Proportional to 971,998.95, 1,341,359.39 and 542,279.16

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Solution

The fourth proportional to 971,998.95, 1,341,359.39 and 542,279.16 is: 748,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.95 : 1,341,359.39 = 542,279.16 : x
  2. Step 2: Convert to fraction form
    971,998.95/1,341,359.39 = 542,279.16/x
  3. Step 3: Cross multiply
    971,998.95x = 1,341,359.39 × 542,279.16
  4. Step 4: Simplify right side
    971,998.95x = 727,391,247,619.56
  5. Step 5: Solve for x
    x = 727,391,247,619.56/971,998.95
  6. Step 6: Final answer
    x = 748,345.72

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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.