Home / 928,876.90-1,396,464.90-741,728.02

Finding the Fourth Proportional to 928,876.90, 1,396,464.90 and 741,728.02

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Solution

The fourth proportional to 928,876.90, 1,396,464.90 and 741,728.02 is: 1,115,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,876.90 : 1,396,464.90 = 741,728.02 : x
  2. Step 2: Convert to fraction form
    928,876.90/1,396,464.90 = 741,728.02/x
  3. Step 3: Cross multiply
    928,876.90x = 1,396,464.90 × 741,728.02
  4. Step 4: Simplify right side
    928,876.90x = 1,035,797,145,276.50
  5. Step 5: Solve for x
    x = 1,035,797,145,276.50/928,876.90
  6. Step 6: Final answer
    x = 1,115,107.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.