Home / 980,434.92-1,352,790.32-572,351.56

Finding the Fourth Proportional to 980,434.92, 1,352,790.32 and 572,351.56

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Solution

The fourth proportional to 980,434.92, 1,352,790.32 and 572,351.56 is: 789,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,434.92 : 1,352,790.32 = 572,351.56 : x
  2. Step 2: Convert to fraction form
    980,434.92/1,352,790.32 = 572,351.56/x
  3. Step 3: Cross multiply
    980,434.92x = 1,352,790.32 × 572,351.56
  4. Step 4: Simplify right side
    980,434.92x = 774,271,650,004.90
  5. Step 5: Solve for x
    x = 774,271,650,004.90/980,434.92
  6. Step 6: Final answer
    x = 789,722.64

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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.