Home / 852,761.92-1,176,677.37-490,115.76

Finding the Fourth Proportional to 852,761.92, 1,176,677.37 and 490,115.76

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Solution

The fourth proportional to 852,761.92, 1,176,677.37 and 490,115.76 is: 676,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,761.92 : 1,176,677.37 = 490,115.76 : x
  2. Step 2: Convert to fraction form
    852,761.92/1,176,677.37 = 490,115.76/x
  3. Step 3: Cross multiply
    852,761.92x = 1,176,677.37 × 490,115.76
  4. Step 4: Simplify right side
    852,761.92x = 576,708,123,472.35
  5. Step 5: Solve for x
    x = 576,708,123,472.35/852,761.92
  6. Step 6: Final answer
    x = 676,282.69

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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.