Home / 457,346.04-631,356.92-321,496.44

Finding the Fourth Proportional to 457,346.04, 631,356.92 and 321,496.44

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Solution

The fourth proportional to 457,346.04, 631,356.92 and 321,496.44 is: 443,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,346.04 : 631,356.92 = 321,496.44 : x
  2. Step 2: Convert to fraction form
    457,346.04/631,356.92 = 321,496.44/x
  3. Step 3: Cross multiply
    457,346.04x = 631,356.92 × 321,496.44
  4. Step 4: Simplify right side
    457,346.04x = 202,979,002,149.37
  5. Step 5: Solve for x
    x = 202,979,002,149.37/457,346.04
  6. Step 6: Final answer
    x = 443,819.31

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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.