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Finding the Fourth Proportional to 638,773.47, 956,167.25 and 470,483.82

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Solution

The fourth proportional to 638,773.47, 956,167.25 and 470,483.82 is: 704,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,773.47 : 956,167.25 = 470,483.82 : x
  2. Step 2: Convert to fraction form
    638,773.47/956,167.25 = 470,483.82/x
  3. Step 3: Cross multiply
    638,773.47x = 956,167.25 × 470,483.82
  4. Step 4: Simplify right side
    638,773.47x = 449,861,217,986.48
  5. Step 5: Solve for x
    x = 449,861,217,986.48/638,773.47
  6. Step 6: Final answer
    x = 704,257.83

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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.