Home / 752,978.16-1,039,104.11-408,807.27

Finding the Fourth Proportional to 752,978.16, 1,039,104.11 and 408,807.27

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Solution

The fourth proportional to 752,978.16, 1,039,104.11 and 408,807.27 is: 564,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,978.16 : 1,039,104.11 = 408,807.27 : x
  2. Step 2: Convert to fraction form
    752,978.16/1,039,104.11 = 408,807.27/x
  3. Step 3: Cross multiply
    752,978.16x = 1,039,104.11 × 408,807.27
  4. Step 4: Simplify right side
    752,978.16x = 424,793,312,410.84
  5. Step 5: Solve for x
    x = 424,793,312,410.84/752,978.16
  6. Step 6: Final answer
    x = 564,150.91

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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.