Home / 906,145.97-1,357,383.06-419,135.95

Finding the Fourth Proportional to 906,145.97, 1,357,383.06 and 419,135.95

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Solution

The fourth proportional to 906,145.97, 1,357,383.06 and 419,135.95 is: 627,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,145.97 : 1,357,383.06 = 419,135.95 : x
  2. Step 2: Convert to fraction form
    906,145.97/1,357,383.06 = 419,135.95/x
  3. Step 3: Cross multiply
    906,145.97x = 1,357,383.06 × 419,135.95
  4. Step 4: Simplify right side
    906,145.97x = 568,928,038,367.01
  5. Step 5: Solve for x
    x = 568,928,038,367.01/906,145.97
  6. Step 6: Final answer
    x = 627,854.74

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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.