Home / 914,328.88-1,371,712.20-381,553.48

Finding the Fourth Proportional to 914,328.88, 1,371,712.20 and 381,553.48

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Solution

The fourth proportional to 914,328.88, 1,371,712.20 and 381,553.48 is: 572,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,328.88 : 1,371,712.20 = 381,553.48 : x
  2. Step 2: Convert to fraction form
    914,328.88/1,371,712.20 = 381,553.48/x
  3. Step 3: Cross multiply
    914,328.88x = 1,371,712.20 × 381,553.48
  4. Step 4: Simplify right side
    914,328.88x = 523,381,563,468.46
  5. Step 5: Solve for x
    x = 523,381,563,468.46/914,328.88
  6. Step 6: Final answer
    x = 572,421.56

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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.