Home / 638,006.64-956,107.20-353,822.18

Finding the Fourth Proportional to 638,006.64, 956,107.20 and 353,822.18

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Solution

The fourth proportional to 638,006.64, 956,107.20 and 353,822.18 is: 530,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,006.64 : 956,107.20 = 353,822.18 : x
  2. Step 2: Convert to fraction form
    638,006.64/956,107.20 = 353,822.18/x
  3. Step 3: Cross multiply
    638,006.64x = 956,107.20 × 353,822.18
  4. Step 4: Simplify right side
    638,006.64x = 338,291,933,817.70
  5. Step 5: Solve for x
    x = 338,291,933,817.70/638,006.64
  6. Step 6: Final answer
    x = 530,232.62

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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.