Home / 971,808.80-1,341,098.31-542,116.76

Finding the Fourth Proportional to 971,808.80, 1,341,098.31 and 542,116.76

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Solution

The fourth proportional to 971,808.80, 1,341,098.31 and 542,116.76 is: 748,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,808.80 : 1,341,098.31 = 542,116.76 : x
  2. Step 2: Convert to fraction form
    971,808.80/1,341,098.31 = 542,116.76/x
  3. Step 3: Cross multiply
    971,808.80x = 1,341,098.31 × 542,116.76
  4. Step 4: Simplify right side
    971,808.80x = 727,031,867,948.09
  5. Step 5: Solve for x
    x = 727,031,867,948.09/971,808.80
  6. Step 6: Final answer
    x = 748,122.33

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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.