Home / 914,621.16-1,371,932.28-381,851.76

Finding the Fourth Proportional to 914,621.16, 1,371,932.28 and 381,851.76

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Solution

The fourth proportional to 914,621.16, 1,371,932.28 and 381,851.76 is: 572,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,621.16 : 1,371,932.28 = 381,851.76 : x
  2. Step 2: Convert to fraction form
    914,621.16/1,371,932.28 = 381,851.76/x
  3. Step 3: Cross multiply
    914,621.16x = 1,371,932.28 × 381,851.76
  4. Step 4: Simplify right side
    914,621.16x = 523,874,755,718.81
  5. Step 5: Solve for x
    x = 523,874,755,718.81/914,621.16
  6. Step 6: Final answer
    x = 572,777.87

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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.