Home / 980,437.92-1,352,794.44-572,354.55

Finding the Fourth Proportional to 980,437.92, 1,352,794.44 and 572,354.55

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Solution

The fourth proportional to 980,437.92, 1,352,794.44 and 572,354.55 is: 789,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,437.92 : 1,352,794.44 = 572,354.55 : x
  2. Step 2: Convert to fraction form
    980,437.92/1,352,794.44 = 572,354.55/x
  3. Step 3: Cross multiply
    980,437.92x = 1,352,794.44 × 572,354.55
  4. Step 4: Simplify right side
    980,437.92x = 774,278,052,948.70
  5. Step 5: Solve for x
    x = 774,278,052,948.70/980,437.92
  6. Step 6: Final answer
    x = 789,726.75

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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.