Home / 658,200.56-908,046.27-400,035.91

Finding the Fourth Proportional to 658,200.56, 908,046.27 and 400,035.91

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Solution

The fourth proportional to 658,200.56, 908,046.27 and 400,035.91 is: 551,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,200.56 : 908,046.27 = 400,035.91 : x
  2. Step 2: Convert to fraction form
    658,200.56/908,046.27 = 400,035.91/x
  3. Step 3: Cross multiply
    658,200.56x = 908,046.27 × 400,035.91
  4. Step 4: Simplify right side
    658,200.56x = 363,251,120,279.34
  5. Step 5: Solve for x
    x = 363,251,120,279.34/658,200.56
  6. Step 6: Final answer
    x = 551,885.16

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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.