Home / 980,438.30-1,352,794.97-572,354.94

Finding the Fourth Proportional to 980,438.30, 1,352,794.97 and 572,354.94

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Solution

The fourth proportional to 980,438.30, 1,352,794.97 and 572,354.94 is: 789,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,438.30 : 1,352,794.97 = 572,354.94 : x
  2. Step 2: Convert to fraction form
    980,438.30/1,352,794.97 = 572,354.94/x
  3. Step 3: Cross multiply
    980,438.30x = 1,352,794.97 × 572,354.94
  4. Step 4: Simplify right side
    980,438.30x = 774,278,881,024.88
  5. Step 5: Solve for x
    x = 774,278,881,024.88/980,438.30
  6. Step 6: Final answer
    x = 789,727.29

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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.