Home / 752,702.10-1,128,725.10-303,273.60

Finding the Fourth Proportional to 752,702.10, 1,128,725.10 and 303,273.60

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Solution

The fourth proportional to 752,702.10, 1,128,725.10 and 303,273.60 is: 454,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,702.10 : 1,128,725.10 = 303,273.60 : x
  2. Step 2: Convert to fraction form
    752,702.10/1,128,725.10 = 303,273.60/x
  3. Step 3: Cross multiply
    752,702.10x = 1,128,725.10 × 303,273.60
  4. Step 4: Simplify right side
    752,702.10x = 342,312,524,487.36
  5. Step 5: Solve for x
    x = 342,312,524,487.36/752,702.10
  6. Step 6: Final answer
    x = 454,778.22

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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.