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Finding the Fourth Proportional to 636,847.52, 878,849.58 and 350,361.50

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Solution

The fourth proportional to 636,847.52, 878,849.58 and 350,361.50 is: 483,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,847.52 : 878,849.58 = 350,361.50 : x
  2. Step 2: Convert to fraction form
    636,847.52/878,849.58 = 350,361.50/x
  3. Step 3: Cross multiply
    636,847.52x = 878,849.58 × 350,361.50
  4. Step 4: Simplify right side
    636,847.52x = 307,915,057,123.17
  5. Step 5: Solve for x
    x = 307,915,057,123.17/636,847.52
  6. Step 6: Final answer
    x = 483,498.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.