Home / 980,447.92-1,352,808.22-572,364.56

Finding the Fourth Proportional to 980,447.92, 1,352,808.22 and 572,364.56

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Solution

The fourth proportional to 980,447.92, 1,352,808.22 and 572,364.56 is: 789,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,447.92 : 1,352,808.22 = 572,364.56 : x
  2. Step 2: Convert to fraction form
    980,447.92/1,352,808.22 = 572,364.56/x
  3. Step 3: Cross multiply
    980,447.92x = 1,352,808.22 × 572,364.56
  4. Step 4: Simplify right side
    980,447.92x = 774,299,481,604.68
  5. Step 5: Solve for x
    x = 774,299,481,604.68/980,447.92
  6. Step 6: Final answer
    x = 789,740.55

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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.