Home / 893,947.41-1,340,891.42-388,508.90

Finding the Fourth Proportional to 893,947.41, 1,340,891.42 and 388,508.90

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Solution

The fourth proportional to 893,947.41, 1,340,891.42 and 388,508.90 is: 582,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,947.41 : 1,340,891.42 = 388,508.90 : x
  2. Step 2: Convert to fraction form
    893,947.41/1,340,891.42 = 388,508.90/x
  3. Step 3: Cross multiply
    893,947.41x = 1,340,891.42 × 388,508.90
  4. Step 4: Simplify right side
    893,947.41x = 520,948,241,956.64
  5. Step 5: Solve for x
    x = 520,948,241,956.64/893,947.41
  6. Step 6: Final answer
    x = 582,750.43

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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.