Home / 981,985.80-1,354,982.94-552,264.60

Finding the Fourth Proportional to 981,985.80, 1,354,982.94 and 552,264.60

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Solution

The fourth proportional to 981,985.80, 1,354,982.94 and 552,264.60 is: 762,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,985.80 : 1,354,982.94 = 552,264.60 : x
  2. Step 2: Convert to fraction form
    981,985.80/1,354,982.94 = 552,264.60/x
  3. Step 3: Cross multiply
    981,985.80x = 1,354,982.94 × 552,264.60
  4. Step 4: Simplify right side
    981,985.80x = 748,309,111,365.92
  5. Step 5: Solve for x
    x = 748,309,111,365.92/981,985.80
  6. Step 6: Final answer
    x = 762,036.59

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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.