Home / 981,264.87-1,353,947.05-573,287.92

Finding the Fourth Proportional to 981,264.87, 1,353,947.05 and 573,287.92

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Solution

The fourth proportional to 981,264.87, 1,353,947.05 and 573,287.92 is: 791,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,264.87 : 1,353,947.05 = 573,287.92 : x
  2. Step 2: Convert to fraction form
    981,264.87/1,353,947.05 = 573,287.92/x
  3. Step 3: Cross multiply
    981,264.87x = 1,353,947.05 × 573,287.92
  4. Step 4: Simplify right side
    981,264.87x = 776,201,482,101.54
  5. Step 5: Solve for x
    x = 776,201,482,101.54/981,264.87
  6. Step 6: Final answer
    x = 791,021.37

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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.