Home / 914,266.82-1,371,619.20-381,491.48

Finding the Fourth Proportional to 914,266.82, 1,371,619.20 and 381,491.48

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Solution

The fourth proportional to 914,266.82, 1,371,619.20 and 381,491.48 is: 572,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,266.82 : 1,371,619.20 = 381,491.48 : x
  2. Step 2: Convert to fraction form
    914,266.82/1,371,619.20 = 381,491.48/x
  3. Step 3: Cross multiply
    914,266.82x = 1,371,619.20 × 381,491.48
  4. Step 4: Simplify right side
    914,266.82x = 523,261,038,604.42
  5. Step 5: Solve for x
    x = 523,261,038,604.42/914,266.82
  6. Step 6: Final answer
    x = 572,328.59

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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.