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Finding the Fourth Proportional to 500,179.37, 690,059.10 and 328,192.27

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Solution

The fourth proportional to 500,179.37, 690,059.10 and 328,192.27 is: 452,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,179.37 : 690,059.10 = 328,192.27 : x
  2. Step 2: Convert to fraction form
    500,179.37/690,059.10 = 328,192.27/x
  3. Step 3: Cross multiply
    500,179.37x = 690,059.10 × 328,192.27
  4. Step 4: Simplify right side
    500,179.37x = 226,472,059,012.86
  5. Step 5: Solve for x
    x = 226,472,059,012.86/500,179.37
  6. Step 6: Final answer
    x = 452,781.69

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1.5x scale

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.