Home / 784,092.60-1,176,151.78-215,470.13

Finding the Fourth Proportional to 784,092.60, 1,176,151.78 and 215,470.13

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Solution

The fourth proportional to 784,092.60, 1,176,151.78 and 215,470.13 is: 323,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,092.60 : 1,176,151.78 = 215,470.13 : x
  2. Step 2: Convert to fraction form
    784,092.60/1,176,151.78 = 215,470.13/x
  3. Step 3: Cross multiply
    784,092.60x = 1,176,151.78 × 215,470.13
  4. Step 4: Simplify right side
    784,092.60x = 253,425,576,936.33
  5. Step 5: Solve for x
    x = 253,425,576,936.33/784,092.60
  6. Step 6: Final answer
    x = 323,208.73

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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.