Home / 981,104.47-1,354,036.37-545,565.24

Finding the Fourth Proportional to 981,104.47, 1,354,036.37 and 545,565.24

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Solution

The fourth proportional to 981,104.47, 1,354,036.37 and 545,565.24 is: 752,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,104.47 : 1,354,036.37 = 545,565.24 : x
  2. Step 2: Convert to fraction form
    981,104.47/1,354,036.37 = 545,565.24/x
  3. Step 3: Cross multiply
    981,104.47x = 1,354,036.37 × 545,565.24
  4. Step 4: Simplify right side
    981,104.47x = 738,715,174,439.95
  5. Step 5: Solve for x
    x = 738,715,174,439.95/981,104.47
  6. Step 6: Final answer
    x = 752,942.42

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Double scale
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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.