Home / 914,460.89-1,371,469.79-381,693.11

Finding the Fourth Proportional to 914,460.89, 1,371,469.79 and 381,693.11

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Solution

The fourth proportional to 914,460.89, 1,371,469.79 and 381,693.11 is: 572,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,460.89 : 1,371,469.79 = 381,693.11 : x
  2. Step 2: Convert to fraction form
    914,460.89/1,371,469.79 = 381,693.11/x
  3. Step 3: Cross multiply
    914,460.89x = 1,371,469.79 × 381,693.11
  4. Step 4: Simplify right side
    914,460.89x = 523,480,563,513.03
  5. Step 5: Solve for x
    x = 523,480,563,513.03/914,460.89
  6. Step 6: Final answer
    x = 572,447.19

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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.