Home / 753,151.20-1,129,726.80-254,515.20

Finding the Fourth Proportional to 753,151.20, 1,129,726.80 and 254,515.20

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Solution

The fourth proportional to 753,151.20, 1,129,726.80 and 254,515.20 is: 381,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,151.20 : 1,129,726.80 = 254,515.20 : x
  2. Step 2: Convert to fraction form
    753,151.20/1,129,726.80 = 254,515.20/x
  3. Step 3: Cross multiply
    753,151.20x = 1,129,726.80 × 254,515.20
  4. Step 4: Simplify right side
    753,151.20x = 287,532,642,447.36
  5. Step 5: Solve for x
    x = 287,532,642,447.36/753,151.20
  6. Step 6: Final answer
    x = 381,772.80

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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.