Home / 752,928.53-1,039,059.41-408,778.94

Finding the Fourth Proportional to 752,928.53, 1,039,059.41 and 408,778.94

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Solution

The fourth proportional to 752,928.53, 1,039,059.41 and 408,778.94 is: 564,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,928.53 : 1,039,059.41 = 408,778.94 : x
  2. Step 2: Convert to fraction form
    752,928.53/1,039,059.41 = 408,778.94/x
  3. Step 3: Cross multiply
    752,928.53x = 1,039,059.41 × 408,778.94
  4. Step 4: Simplify right side
    752,928.53x = 424,745,596,977.63
  5. Step 5: Solve for x
    x = 424,745,596,977.63/752,928.53
  6. Step 6: Final answer
    x = 564,124.72

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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.