Home / 782,974.89-1,080,454.19-460,622.70

Finding the Fourth Proportional to 782,974.89, 1,080,454.19 and 460,622.70

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Solution

The fourth proportional to 782,974.89, 1,080,454.19 and 460,622.70 is: 635,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,974.89 : 1,080,454.19 = 460,622.70 : x
  2. Step 2: Convert to fraction form
    782,974.89/1,080,454.19 = 460,622.70/x
  3. Step 3: Cross multiply
    782,974.89x = 1,080,454.19 × 460,622.70
  4. Step 4: Simplify right side
    782,974.89x = 497,681,723,921.00
  5. Step 5: Solve for x
    x = 497,681,723,921.00/782,974.89
  6. Step 6: Final answer
    x = 635,629.23

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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.