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Finding the Fourth Proportional to 425,565.64, 637,551.41 and 381,747.88

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Solution

The fourth proportional to 425,565.64, 637,551.41 and 381,747.88 is: 571,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,565.64 : 637,551.41 = 381,747.88 : x
  2. Step 2: Convert to fraction form
    425,565.64/637,551.41 = 381,747.88/x
  3. Step 3: Cross multiply
    425,565.64x = 637,551.41 × 381,747.88
  4. Step 4: Simplify right side
    425,565.64x = 243,383,895,970.75
  5. Step 5: Solve for x
    x = 243,383,895,970.75/425,565.64
  6. Step 6: Final answer
    x = 571,906.84

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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.