Home / 914,131.56-1,371,416.02-381,356.48

Finding the Fourth Proportional to 914,131.56, 1,371,416.02 and 381,356.48

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Solution

The fourth proportional to 914,131.56, 1,371,416.02 and 381,356.48 is: 572,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,131.56 : 1,371,416.02 = 381,356.48 : x
  2. Step 2: Convert to fraction form
    914,131.56/1,371,416.02 = 381,356.48/x
  3. Step 3: Cross multiply
    914,131.56x = 1,371,416.02 × 381,356.48
  4. Step 4: Simplify right side
    914,131.56x = 522,998,386,002.81
  5. Step 5: Solve for x
    x = 522,998,386,002.81/914,131.56
  6. Step 6: Final answer
    x = 572,125.95

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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.