Home / 914,135.56-1,371,422.04-381,360.48

Finding the Fourth Proportional to 914,135.56, 1,371,422.04 and 381,360.48

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Solution

The fourth proportional to 914,135.56, 1,371,422.04 and 381,360.48 is: 572,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,135.56 : 1,371,422.04 = 381,360.48 : x
  2. Step 2: Convert to fraction form
    914,135.56/1,371,422.04 = 381,360.48/x
  3. Step 3: Cross multiply
    914,135.56x = 1,371,422.04 × 381,360.48
  4. Step 4: Simplify right side
    914,135.56x = 523,006,167,456.98
  5. Step 5: Solve for x
    x = 523,006,167,456.98/914,135.56
  6. Step 6: Final answer
    x = 572,131.96

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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.