Home / 752,410.74-1,038,323.97-412,884.66

Finding the Fourth Proportional to 752,410.74, 1,038,323.97 and 412,884.66

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Solution

The fourth proportional to 752,410.74, 1,038,323.97 and 412,884.66 is: 569,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,410.74 : 1,038,323.97 = 412,884.66 : x
  2. Step 2: Convert to fraction form
    752,410.74/1,038,323.97 = 412,884.66/x
  3. Step 3: Cross multiply
    752,410.74x = 1,038,323.97 × 412,884.66
  4. Step 4: Simplify right side
    752,410.74x = 428,708,039,323.30
  5. Step 5: Solve for x
    x = 428,708,039,323.30/752,410.74
  6. Step 6: Final answer
    x = 569,779.27

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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.