Home / 457,244.31-631,305.24-285,423.87

Finding the Fourth Proportional to 457,244.31, 631,305.24 and 285,423.87

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Solution

The fourth proportional to 457,244.31, 631,305.24 and 285,423.87 is: 394,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,244.31 : 631,305.24 = 285,423.87 : x
  2. Step 2: Convert to fraction form
    457,244.31/631,305.24 = 285,423.87/x
  3. Step 3: Cross multiply
    457,244.31x = 631,305.24 × 285,423.87
  4. Step 4: Simplify right side
    457,244.31x = 180,189,584,752.08
  5. Step 5: Solve for x
    x = 180,189,584,752.08/457,244.31
  6. Step 6: Final answer
    x = 394,077.26

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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.