Home / 862,531.92-1,293,753.60-330,012

Finding the Fourth Proportional to 862,531.92, 1,293,753.60 and 330,012

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Solution

The fourth proportional to 862,531.92, 1,293,753.60 and 330,012 is: 495,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,531.92 : 1,293,753.60 = 330,012 : x
  2. Step 2: Convert to fraction form
    862,531.92/1,293,753.60 = 330,012/x
  3. Step 3: Cross multiply
    862,531.92x = 1,293,753.60 × 330,012
  4. Step 4: Simplify right side
    862,531.92x = 426,954,213,043.20
  5. Step 5: Solve for x
    x = 426,954,213,043.20/862,531.92
  6. Step 6: Final answer
    x = 495,001.06

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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.