Home / 914,278.32-1,371,636.44-381,503

Finding the Fourth Proportional to 914,278.32, 1,371,636.44 and 381,503

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Solution

The fourth proportional to 914,278.32, 1,371,636.44 and 381,503 is: 572,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,278.32 : 1,371,636.44 = 381,503 : x
  2. Step 2: Convert to fraction form
    914,278.32/1,371,636.44 = 381,503/x
  3. Step 3: Cross multiply
    914,278.32x = 1,371,636.44 × 381,503
  4. Step 4: Simplify right side
    914,278.32x = 523,283,416,769.32
  5. Step 5: Solve for x
    x = 523,283,416,769.32/914,278.32
  6. Step 6: Final answer
    x = 572,345.87

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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.