Home / 753,758.25-1,040,190.39-409,596.90

Finding the Fourth Proportional to 753,758.25, 1,040,190.39 and 409,596.90

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Solution

The fourth proportional to 753,758.25, 1,040,190.39 and 409,596.90 is: 565,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,758.25 : 1,040,190.39 = 409,596.90 : x
  2. Step 2: Convert to fraction form
    753,758.25/1,040,190.39 = 409,596.90/x
  3. Step 3: Cross multiply
    753,758.25x = 1,040,190.39 × 409,596.90
  4. Step 4: Simplify right side
    753,758.25x = 426,058,759,153.79
  5. Step 5: Solve for x
    x = 426,058,759,153.79/753,758.25
  6. Step 6: Final answer
    x = 565,245.90

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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.