Home / 752,822.95-1,038,898.49-408,659.55

Finding the Fourth Proportional to 752,822.95, 1,038,898.49 and 408,659.55

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Solution

The fourth proportional to 752,822.95, 1,038,898.49 and 408,659.55 is: 563,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,822.95 : 1,038,898.49 = 408,659.55 : x
  2. Step 2: Convert to fraction form
    752,822.95/1,038,898.49 = 408,659.55/x
  3. Step 3: Cross multiply
    752,822.95x = 1,038,898.49 × 408,659.55
  4. Step 4: Simplify right side
    752,822.95x = 424,555,787,375.78
  5. Step 5: Solve for x
    x = 424,555,787,375.78/752,822.95
  6. Step 6: Final answer
    x = 563,951.71

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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.