Home / 928,407.60-1,392,461.91-254,331.27

Finding the Fourth Proportional to 928,407.60, 1,392,461.91 and 254,331.27

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Solution

The fourth proportional to 928,407.60, 1,392,461.91 and 254,331.27 is: 381,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,407.60 : 1,392,461.91 = 254,331.27 : x
  2. Step 2: Convert to fraction form
    928,407.60/1,392,461.91 = 254,331.27/x
  3. Step 3: Cross multiply
    928,407.60x = 1,392,461.91 × 254,331.27
  4. Step 4: Simplify right side
    928,407.60x = 354,146,605,996.93
  5. Step 5: Solve for x
    x = 354,146,605,996.93/928,407.60
  6. Step 6: Final answer
    x = 381,455.95

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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.