Home / 980,436.30-1,352,792.19-572,352.94

Finding the Fourth Proportional to 980,436.30, 1,352,792.19 and 572,352.94

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Solution

The fourth proportional to 980,436.30, 1,352,792.19 and 572,352.94 is: 789,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,436.30 : 1,352,792.19 = 572,352.94 : x
  2. Step 2: Convert to fraction form
    980,436.30/1,352,792.19 = 572,352.94/x
  3. Step 3: Cross multiply
    980,436.30x = 1,352,792.19 × 572,352.94
  4. Step 4: Simplify right side
    980,436.30x = 774,274,587,155.54
  5. Step 5: Solve for x
    x = 774,274,587,155.54/980,436.30
  6. Step 6: Final answer
    x = 789,724.52

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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.