Home / 753,900.92-1,040,391.30-409,736.84

Finding the Fourth Proportional to 753,900.92, 1,040,391.30 and 409,736.84

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Solution

The fourth proportional to 753,900.92, 1,040,391.30 and 409,736.84 is: 565,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,900.92 : 1,040,391.30 = 409,736.84 : x
  2. Step 2: Convert to fraction form
    753,900.92/1,040,391.30 = 409,736.84/x
  3. Step 3: Cross multiply
    753,900.92x = 1,040,391.30 × 409,736.84
  4. Step 4: Simplify right side
    753,900.92x = 426,286,643,625.49
  5. Step 5: Solve for x
    x = 426,286,643,625.49/753,900.92
  6. Step 6: Final answer
    x = 565,441.20

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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.