Home / 981,342.11-1,354,259.57-545,765.51

Finding the Fourth Proportional to 981,342.11, 1,354,259.57 and 545,765.51

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Solution

The fourth proportional to 981,342.11, 1,354,259.57 and 545,765.51 is: 753,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,342.11 : 1,354,259.57 = 545,765.51 : x
  2. Step 2: Convert to fraction form
    981,342.11/1,354,259.57 = 545,765.51/x
  3. Step 3: Cross multiply
    981,342.11x = 1,354,259.57 × 545,765.51
  4. Step 4: Simplify right side
    981,342.11x = 739,108,165,550.25
  5. Step 5: Solve for x
    x = 739,108,165,550.25/981,342.11
  6. Step 6: Final answer
    x = 753,160.55

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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.