Home / 914,651.66-1,371,978.30-381,882.26

Finding the Fourth Proportional to 914,651.66, 1,371,978.30 and 381,882.26

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Solution

The fourth proportional to 914,651.66, 1,371,978.30 and 381,882.26 is: 572,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,651.66 : 1,371,978.30 = 381,882.26 : x
  2. Step 2: Convert to fraction form
    914,651.66/1,371,978.30 = 381,882.26/x
  3. Step 3: Cross multiply
    914,651.66x = 1,371,978.30 × 381,882.26
  4. Step 4: Simplify right side
    914,651.66x = 523,934,173,874.96
  5. Step 5: Solve for x
    x = 523,934,173,874.96/914,651.66
  6. Step 6: Final answer
    x = 572,823.73

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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.