Home / 981,344.70-1,354,399.11-551,660.22

Finding the Fourth Proportional to 981,344.70, 1,354,399.11 and 551,660.22

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Solution

The fourth proportional to 981,344.70, 1,354,399.11 and 551,660.22 is: 761,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,344.70 : 1,354,399.11 = 551,660.22 : x
  2. Step 2: Convert to fraction form
    981,344.70/1,354,399.11 = 551,660.22/x
  3. Step 3: Cross multiply
    981,344.70x = 1,354,399.11 × 551,660.22
  4. Step 4: Simplify right side
    981,344.70x = 747,168,110,990.40
  5. Step 5: Solve for x
    x = 747,168,110,990.40/981,344.70
  6. Step 6: Final answer
    x = 761,371.73

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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.