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Finding the Fourth Proportional to 615,306.79, 921,631.55 and 600,249.29

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Solution

The fourth proportional to 615,306.79, 921,631.55 and 600,249.29 is: 899,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,306.79 : 921,631.55 = 600,249.29 : x
  2. Step 2: Convert to fraction form
    615,306.79/921,631.55 = 600,249.29/x
  3. Step 3: Cross multiply
    615,306.79x = 921,631.55 × 600,249.29
  4. Step 4: Simplify right side
    615,306.79x = 553,208,680,527.85
  5. Step 5: Solve for x
    x = 553,208,680,527.85/615,306.79
  6. Step 6: Final answer
    x = 899,077.82

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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.