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Finding the Fourth Proportional to 527,885.60, 792,002.24 and 351,088.16

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Solution

The fourth proportional to 527,885.60, 792,002.24 and 351,088.16 is: 526,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,885.60 : 792,002.24 = 351,088.16 : x
  2. Step 2: Convert to fraction form
    527,885.60/792,002.24 = 351,088.16/x
  3. Step 3: Cross multiply
    527,885.60x = 792,002.24 × 351,088.16
  4. Step 4: Simplify right side
    527,885.60x = 278,062,609,157.48
  5. Step 5: Solve for x
    x = 278,062,609,157.48/527,885.60
  6. Step 6: Final answer
    x = 526,747.86

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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.