Home / 971,998.51-1,341,358.79-542,278.73

Finding the Fourth Proportional to 971,998.51, 1,341,358.79 and 542,278.73

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Solution

The fourth proportional to 971,998.51, 1,341,358.79 and 542,278.73 is: 748,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.51 : 1,341,358.79 = 542,278.73 : x
  2. Step 2: Convert to fraction form
    971,998.51/1,341,358.79 = 542,278.73/x
  3. Step 3: Cross multiply
    971,998.51x = 1,341,358.79 × 542,278.73
  4. Step 4: Simplify right side
    971,998.51x = 727,390,331,697.35
  5. Step 5: Solve for x
    x = 727,390,331,697.35/971,998.51
  6. Step 6: Final answer
    x = 748,345.11

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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.