Home / 981,986.06-1,354,982.36-552,240.56

Finding the Fourth Proportional to 981,986.06, 1,354,982.36 and 552,240.56

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Solution

The fourth proportional to 981,986.06, 1,354,982.36 and 552,240.56 is: 762,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,986.06 : 1,354,982.36 = 552,240.56 : x
  2. Step 2: Convert to fraction form
    981,986.06/1,354,982.36 = 552,240.56/x
  3. Step 3: Cross multiply
    981,986.06x = 1,354,982.36 × 552,240.56
  4. Step 4: Simplify right side
    981,986.06x = 748,276,217,276.52
  5. Step 5: Solve for x
    x = 748,276,217,276.52/981,986.06
  6. Step 6: Final answer
    x = 762,002.89

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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.