Home / 725,843.72-1,088,986.94-371,106.92

Finding the Fourth Proportional to 725,843.72, 1,088,986.94 and 371,106.92

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Solution

The fourth proportional to 725,843.72, 1,088,986.94 and 371,106.92 is: 556,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,843.72 : 1,088,986.94 = 371,106.92 : x
  2. Step 2: Convert to fraction form
    725,843.72/1,088,986.94 = 371,106.92/x
  3. Step 3: Cross multiply
    725,843.72x = 1,088,986.94 × 371,106.92
  4. Step 4: Simplify right side
    725,843.72x = 404,130,589,223.63
  5. Step 5: Solve for x
    x = 404,130,589,223.63/725,843.72
  6. Step 6: Final answer
    x = 556,773.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.