Home / 752,426.24-1,038,378.14-412,906.64

Finding the Fourth Proportional to 752,426.24, 1,038,378.14 and 412,906.64

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Solution

The fourth proportional to 752,426.24, 1,038,378.14 and 412,906.64 is: 569,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,426.24 : 1,038,378.14 = 412,906.64 : x
  2. Step 2: Convert to fraction form
    752,426.24/1,038,378.14 = 412,906.64/x
  3. Step 3: Cross multiply
    752,426.24x = 1,038,378.14 × 412,906.64
  4. Step 4: Simplify right side
    752,426.24x = 428,753,228,836.85
  5. Step 5: Solve for x
    x = 428,753,228,836.85/752,426.24
  6. Step 6: Final answer
    x = 569,827.59

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1.5x scale

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.