Home / 752,939.22-1,039,053.09-430,648.86

Finding the Fourth Proportional to 752,939.22, 1,039,053.09 and 430,648.86

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Solution

The fourth proportional to 752,939.22, 1,039,053.09 and 430,648.86 is: 594,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,939.22 : 1,039,053.09 = 430,648.86 : x
  2. Step 2: Convert to fraction form
    752,939.22/1,039,053.09 = 430,648.86/x
  3. Step 3: Cross multiply
    752,939.22x = 1,039,053.09 × 430,648.86
  4. Step 4: Simplify right side
    752,939.22x = 447,467,028,687.98
  5. Step 5: Solve for x
    x = 447,467,028,687.98/752,939.22
  6. Step 6: Final answer
    x = 594,293.69

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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.