Home / 461,437.35-636,789.56-267,890.28

Finding the Fourth Proportional to 461,437.35, 636,789.56 and 267,890.28

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Solution

The fourth proportional to 461,437.35, 636,789.56 and 267,890.28 is: 369,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,437.35 : 636,789.56 = 267,890.28 : x
  2. Step 2: Convert to fraction form
    461,437.35/636,789.56 = 267,890.28/x
  3. Step 3: Cross multiply
    461,437.35x = 636,789.56 × 267,890.28
  4. Step 4: Simplify right side
    461,437.35x = 170,589,733,529.48
  5. Step 5: Solve for x
    x = 170,589,733,529.48/461,437.35
  6. Step 6: Final answer
    x = 369,692.08

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1.5x scale

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.