Home / 681,752.80-1,022,629.20-576,776.80

Finding the Fourth Proportional to 681,752.80, 1,022,629.20 and 576,776.80

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Solution

The fourth proportional to 681,752.80, 1,022,629.20 and 576,776.80 is: 865,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,752.80 : 1,022,629.20 = 576,776.80 : x
  2. Step 2: Convert to fraction form
    681,752.80/1,022,629.20 = 576,776.80/x
  3. Step 3: Cross multiply
    681,752.80x = 1,022,629.20 × 576,776.80
  4. Step 4: Simplify right side
    681,752.80x = 589,828,797,562.56
  5. Step 5: Solve for x
    x = 589,828,797,562.56/681,752.80
  6. Step 6: Final answer
    x = 865,165.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.