Home / 752,999.43-1,039,133.13-408,828.54

Finding the Fourth Proportional to 752,999.43, 1,039,133.13 and 408,828.54

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Solution

The fourth proportional to 752,999.43, 1,039,133.13 and 408,828.54 is: 564,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,999.43 : 1,039,133.13 = 408,828.54 : x
  2. Step 2: Convert to fraction form
    752,999.43/1,039,133.13 = 408,828.54/x
  3. Step 3: Cross multiply
    752,999.43x = 1,039,133.13 × 408,828.54
  4. Step 4: Simplify right side
    752,999.43x = 424,827,280,403.53
  5. Step 5: Solve for x
    x = 424,827,280,403.53/752,999.43
  6. Step 6: Final answer
    x = 564,180.08

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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.