Home / 457,944.22-632,275.80-286,123.78

Finding the Fourth Proportional to 457,944.22, 632,275.80 and 286,123.78

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Solution

The fourth proportional to 457,944.22, 632,275.80 and 286,123.78 is: 395,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,944.22 : 632,275.80 = 286,123.78 : x
  2. Step 2: Convert to fraction form
    457,944.22/632,275.80 = 286,123.78/x
  3. Step 3: Cross multiply
    457,944.22x = 632,275.80 × 286,123.78
  4. Step 4: Simplify right side
    457,944.22x = 180,909,141,898.52
  5. Step 5: Solve for x
    x = 180,909,141,898.52/457,944.22
  6. Step 6: Final answer
    x = 395,046.24

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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.