Home / 475,911.18-656,778.03-284,887.62

Finding the Fourth Proportional to 475,911.18, 656,778.03 and 284,887.62

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Solution

The fourth proportional to 475,911.18, 656,778.03 and 284,887.62 is: 393,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,911.18 : 656,778.03 = 284,887.62 : x
  2. Step 2: Convert to fraction form
    475,911.18/656,778.03 = 284,887.62/x
  3. Step 3: Cross multiply
    475,911.18x = 656,778.03 × 284,887.62
  4. Step 4: Simplify right side
    475,911.18x = 187,107,929,834.99
  5. Step 5: Solve for x
    x = 187,107,929,834.99/475,911.18
  6. Step 6: Final answer
    x = 393,157.25

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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.