Home / 906,144.97-1,357,381.56-419,134.95

Finding the Fourth Proportional to 906,144.97, 1,357,381.56 and 419,134.95

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Solution

The fourth proportional to 906,144.97, 1,357,381.56 and 419,134.95 is: 627,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,144.97 : 1,357,381.56 = 419,134.95 : x
  2. Step 2: Convert to fraction form
    906,144.97/1,357,381.56 = 419,134.95/x
  3. Step 3: Cross multiply
    906,144.97x = 1,357,381.56 × 419,134.95
  4. Step 4: Simplify right side
    906,144.97x = 568,926,052,281.52
  5. Step 5: Solve for x
    x = 568,926,052,281.52/906,144.97
  6. Step 6: Final answer
    x = 627,853.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.