Home / 981,386.20-1,472,079.30-532,322.20

Finding the Fourth Proportional to 981,386.20, 1,472,079.30 and 532,322.20

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Solution

The fourth proportional to 981,386.20, 1,472,079.30 and 532,322.20 is: 798,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,386.20 : 1,472,079.30 = 532,322.20 : x
  2. Step 2: Convert to fraction form
    981,386.20/1,472,079.30 = 532,322.20/x
  3. Step 3: Cross multiply
    981,386.20x = 1,472,079.30 × 532,322.20
  4. Step 4: Simplify right side
    981,386.20x = 783,620,491,550.46
  5. Step 5: Solve for x
    x = 783,620,491,550.46/981,386.20
  6. Step 6: Final answer
    x = 798,483.30

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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.