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Finding the Fourth Proportional to 646,229.88, 968,489.46 and 495,895.50

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Solution

The fourth proportional to 646,229.88, 968,489.46 and 495,895.50 is: 743,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,229.88 : 968,489.46 = 495,895.50 : x
  2. Step 2: Convert to fraction form
    646,229.88/968,489.46 = 495,895.50/x
  3. Step 3: Cross multiply
    646,229.88x = 968,489.46 × 495,895.50
  4. Step 4: Simplify right side
    646,229.88x = 480,269,565,011.43
  5. Step 5: Solve for x
    x = 480,269,565,011.43/646,229.88
  6. Step 6: Final answer
    x = 743,186.87

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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.