Home / 494,414.10-741,645.45-258,218.10

Finding the Fourth Proportional to 494,414.10, 741,645.45 and 258,218.10

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Solution

The fourth proportional to 494,414.10, 741,645.45 and 258,218.10 is: 387,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,414.10 : 741,645.45 = 258,218.10 : x
  2. Step 2: Convert to fraction form
    494,414.10/741,645.45 = 258,218.10/x
  3. Step 3: Cross multiply
    494,414.10x = 741,645.45 × 258,218.10
  4. Step 4: Simplify right side
    494,414.10x = 191,506,278,972.65
  5. Step 5: Solve for x
    x = 191,506,278,972.65/494,414.10
  6. Step 6: Final answer
    x = 387,339.84

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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.