Home / 752,969.45-1,039,092.06-408,798.55

Finding the Fourth Proportional to 752,969.45, 1,039,092.06 and 408,798.55

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Solution

The fourth proportional to 752,969.45, 1,039,092.06 and 408,798.55 is: 564,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,969.45 : 1,039,092.06 = 408,798.55 : x
  2. Step 2: Convert to fraction form
    752,969.45/1,039,092.06 = 408,798.55/x
  3. Step 3: Cross multiply
    752,969.45x = 1,039,092.06 × 408,798.55
  4. Step 4: Simplify right side
    752,969.45x = 424,779,324,846.78
  5. Step 5: Solve for x
    x = 424,779,324,846.78/752,969.45
  6. Step 6: Final answer
    x = 564,138.86

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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.