Home / 981,429.90-1,354,279.95-573,627.30

Finding the Fourth Proportional to 981,429.90, 1,354,279.95 and 573,627.30

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Solution

The fourth proportional to 981,429.90, 1,354,279.95 and 573,627.30 is: 791,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,429.90 : 1,354,279.95 = 573,627.30 : x
  2. Step 2: Convert to fraction form
    981,429.90/1,354,279.95 = 573,627.30/x
  3. Step 3: Cross multiply
    981,429.90x = 1,354,279.95 × 573,627.30
  4. Step 4: Simplify right side
    981,429.90x = 776,851,951,162.64
  5. Step 5: Solve for x
    x = 776,851,951,162.64/981,429.90
  6. Step 6: Final answer
    x = 791,551.13

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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.