Home / 928,407.28-1,392,599.37-254,487.95

Finding the Fourth Proportional to 928,407.28, 1,392,599.37 and 254,487.95

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Solution

The fourth proportional to 928,407.28, 1,392,599.37 and 254,487.95 is: 381,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,407.28 : 1,392,599.37 = 254,487.95 : x
  2. Step 2: Convert to fraction form
    928,407.28/1,392,599.37 = 254,487.95/x
  3. Step 3: Cross multiply
    928,407.28x = 1,392,599.37 × 254,487.95
  4. Step 4: Simplify right side
    928,407.28x = 354,399,758,842.59
  5. Step 5: Solve for x
    x = 354,399,758,842.59/928,407.28
  6. Step 6: Final answer
    x = 381,728.76

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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.