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Finding the Fourth Proportional to 651,895.43, 899,671.17 and 365,470.88

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Solution

The fourth proportional to 651,895.43, 899,671.17 and 365,470.88 is: 504,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,895.43 : 899,671.17 = 365,470.88 : x
  2. Step 2: Convert to fraction form
    651,895.43/899,671.17 = 365,470.88/x
  3. Step 3: Cross multiply
    651,895.43x = 899,671.17 × 365,470.88
  4. Step 4: Simplify right side
    651,895.43x = 328,803,614,210.53
  5. Step 5: Solve for x
    x = 328,803,614,210.53/651,895.43
  6. Step 6: Final answer
    x = 504,380.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.