Home / 658,377.27-908,579.30-371,909.43

Finding the Fourth Proportional to 658,377.27, 908,579.30 and 371,909.43

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Solution

The fourth proportional to 658,377.27, 908,579.30 and 371,909.43 is: 513,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,377.27 : 908,579.30 = 371,909.43 : x
  2. Step 2: Convert to fraction form
    658,377.27/908,579.30 = 371,909.43/x
  3. Step 3: Cross multiply
    658,377.27x = 908,579.30 × 371,909.43
  4. Step 4: Simplify right side
    658,377.27x = 337,909,207,713.25
  5. Step 5: Solve for x
    x = 337,909,207,713.25/658,377.27
  6. Step 6: Final answer
    x = 513,245.56

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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.