Home / 981,680.70-1,472,521.05-350,615.10

Finding the Fourth Proportional to 981,680.70, 1,472,521.05 and 350,615.10

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Solution

The fourth proportional to 981,680.70, 1,472,521.05 and 350,615.10 is: 525,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,680.70 : 1,472,521.05 = 350,615.10 : x
  2. Step 2: Convert to fraction form
    981,680.70/1,472,521.05 = 350,615.10/x
  3. Step 3: Cross multiply
    981,680.70x = 1,472,521.05 × 350,615.10
  4. Step 4: Simplify right side
    981,680.70x = 516,288,115,197.86
  5. Step 5: Solve for x
    x = 516,288,115,197.86/981,680.70
  6. Step 6: Final answer
    x = 525,922.65

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Double scale
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Similar ratio
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1.5x scale

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.