Home / 752,548.28-1,038,511.20-408,375.54

Finding the Fourth Proportional to 752,548.28, 1,038,511.20 and 408,375.54

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Solution

The fourth proportional to 752,548.28, 1,038,511.20 and 408,375.54 is: 563,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,548.28 : 1,038,511.20 = 408,375.54 : x
  2. Step 2: Convert to fraction form
    752,548.28/1,038,511.20 = 408,375.54/x
  3. Step 3: Cross multiply
    752,548.28x = 1,038,511.20 × 408,375.54
  4. Step 4: Simplify right side
    752,548.28x = 424,102,572,096.05
  5. Step 5: Solve for x
    x = 424,102,572,096.05/752,548.28
  6. Step 6: Final answer
    x = 563,555.30

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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.