Home / 981,218.68-1,354,037.30-573,357.76

Finding the Fourth Proportional to 981,218.68, 1,354,037.30 and 573,357.76

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Solution

The fourth proportional to 981,218.68, 1,354,037.30 and 573,357.76 is: 791,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,218.68 : 1,354,037.30 = 573,357.76 : x
  2. Step 2: Convert to fraction form
    981,218.68/1,354,037.30 = 573,357.76/x
  3. Step 3: Cross multiply
    981,218.68x = 1,354,037.30 × 573,357.76
  4. Step 4: Simplify right side
    981,218.68x = 776,347,793,284.45
  5. Step 5: Solve for x
    x = 776,347,793,284.45/981,218.68
  6. Step 6: Final answer
    x = 791,207.72

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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.