Home / 475,939.26-657,007.20-304,083.18

Finding the Fourth Proportional to 475,939.26, 657,007.20 and 304,083.18

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Solution

The fourth proportional to 475,939.26, 657,007.20 and 304,083.18 is: 419,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,939.26 : 657,007.20 = 304,083.18 : x
  2. Step 2: Convert to fraction form
    475,939.26/657,007.20 = 304,083.18/x
  3. Step 3: Cross multiply
    475,939.26x = 657,007.20 × 304,083.18
  4. Step 4: Simplify right side
    475,939.26x = 199,784,838,658.90
  5. Step 5: Solve for x
    x = 199,784,838,658.90/475,939.26
  6. Step 6: Final answer
    x = 419,769.61

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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.