Home / 457,943.22-632,274.42-286,122.78

Finding the Fourth Proportional to 457,943.22, 632,274.42 and 286,122.78

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Solution

The fourth proportional to 457,943.22, 632,274.42 and 286,122.78 is: 395,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,943.22 : 632,274.42 = 286,122.78 : x
  2. Step 2: Convert to fraction form
    457,943.22/632,274.42 = 286,122.78/x
  3. Step 3: Cross multiply
    457,943.22x = 632,274.42 × 286,122.78
  4. Step 4: Simplify right side
    457,943.22x = 180,908,114,773.29
  5. Step 5: Solve for x
    x = 180,908,114,773.29/457,943.22
  6. Step 6: Final answer
    x = 395,044.86

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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.