Home / 981,343.70-1,354,397.73-551,659.22

Finding the Fourth Proportional to 981,343.70, 1,354,397.73 and 551,659.22

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Solution

The fourth proportional to 981,343.70, 1,354,397.73 and 551,659.22 is: 761,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,343.70 : 1,354,397.73 = 551,659.22 : x
  2. Step 2: Convert to fraction form
    981,343.70/1,354,397.73 = 551,659.22/x
  3. Step 3: Cross multiply
    981,343.70x = 1,354,397.73 × 551,659.22
  4. Step 4: Simplify right side
    981,343.70x = 747,165,995,301.57
  5. Step 5: Solve for x
    x = 747,165,995,301.57/981,343.70
  6. Step 6: Final answer
    x = 761,370.35

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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.