Home / 852,498.27-1,278,957.87-253,456.83

Finding the Fourth Proportional to 852,498.27, 1,278,957.87 and 253,456.83

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Solution

The fourth proportional to 852,498.27, 1,278,957.87 and 253,456.83 is: 380,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,498.27 : 1,278,957.87 = 253,456.83 : x
  2. Step 2: Convert to fraction form
    852,498.27/1,278,957.87 = 253,456.83/x
  3. Step 3: Cross multiply
    852,498.27x = 1,278,957.87 × 253,456.83
  4. Step 4: Simplify right side
    852,498.27x = 324,160,607,433.75
  5. Step 5: Solve for x
    x = 324,160,607,433.75/852,498.27
  6. Step 6: Final answer
    x = 380,247.82

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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.