Home / 568,123.04-851,372.28-417,179.12

Finding the Fourth Proportional to 568,123.04, 851,372.28 and 417,179.12

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Solution

The fourth proportional to 568,123.04, 851,372.28 and 417,179.12 is: 625,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,123.04 : 851,372.28 = 417,179.12 : x
  2. Step 2: Convert to fraction form
    568,123.04/851,372.28 = 417,179.12/x
  3. Step 3: Cross multiply
    568,123.04x = 851,372.28 × 417,179.12
  4. Step 4: Simplify right side
    568,123.04x = 355,174,738,562.79
  5. Step 5: Solve for x
    x = 355,174,738,562.79/568,123.04
  6. Step 6: Final answer
    x = 625,172.21

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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.