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Finding the Fourth Proportional to 637,752.96, 956,678.88 and 258,493.20

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Solution

The fourth proportional to 637,752.96, 956,678.88 and 258,493.20 is: 387,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,752.96 : 956,678.88 = 258,493.20 : x
  2. Step 2: Convert to fraction form
    637,752.96/956,678.88 = 258,493.20/x
  3. Step 3: Cross multiply
    637,752.96x = 956,678.88 × 258,493.20
  4. Step 4: Simplify right side
    637,752.96x = 247,294,985,063.62
  5. Step 5: Solve for x
    x = 247,294,985,063.62/637,752.96
  6. Step 6: Final answer
    x = 387,759.84

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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.