Home / 906,145.71-1,357,382.69-419,135.70

Finding the Fourth Proportional to 906,145.71, 1,357,382.69 and 419,135.70

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Solution

The fourth proportional to 906,145.71, 1,357,382.69 and 419,135.70 is: 627,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,145.71 : 1,357,382.69 = 419,135.70 : x
  2. Step 2: Convert to fraction form
    906,145.71/1,357,382.69 = 419,135.70/x
  3. Step 3: Cross multiply
    906,145.71x = 1,357,382.69 × 419,135.70
  4. Step 4: Simplify right side
    906,145.71x = 568,927,541,845.36
  5. Step 5: Solve for x
    x = 568,927,541,845.36/906,145.71
  6. Step 6: Final answer
    x = 627,854.37

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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.