Home / 753,757.25-1,040,189.01-409,595.90

Finding the Fourth Proportional to 753,757.25, 1,040,189.01 and 409,595.90

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Solution

The fourth proportional to 753,757.25, 1,040,189.01 and 409,595.90 is: 565,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,757.25 : 1,040,189.01 = 409,595.90 : x
  2. Step 2: Convert to fraction form
    753,757.25/1,040,189.01 = 409,595.90/x
  3. Step 3: Cross multiply
    753,757.25x = 1,040,189.01 × 409,595.90
  4. Step 4: Simplify right side
    753,757.25x = 426,057,153,721.06
  5. Step 5: Solve for x
    x = 426,057,153,721.06/753,757.25
  6. Step 6: Final answer
    x = 565,244.52

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1.5x scale

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.