Home / 615,432.12-924,771.82-331,332.72

Finding the Fourth Proportional to 615,432.12, 924,771.82 and 331,332.72

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Solution

The fourth proportional to 615,432.12, 924,771.82 and 331,332.72 is: 497,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,432.12 : 924,771.82 = 331,332.72 : x
  2. Step 2: Convert to fraction form
    615,432.12/924,771.82 = 331,332.72/x
  3. Step 3: Cross multiply
    615,432.12x = 924,771.82 × 331,332.72
  4. Step 4: Simplify right side
    615,432.12x = 306,407,162,499.95
  5. Step 5: Solve for x
    x = 306,407,162,499.95/615,432.12
  6. Step 6: Final answer
    x = 497,873.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.