Home / 494,031.20-741,026.16-209,643.68

Finding the Fourth Proportional to 494,031.20, 741,026.16 and 209,643.68

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Solution

The fourth proportional to 494,031.20, 741,026.16 and 209,643.68 is: 314,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,031.20 : 741,026.16 = 209,643.68 : x
  2. Step 2: Convert to fraction form
    494,031.20/741,026.16 = 209,643.68/x
  3. Step 3: Cross multiply
    494,031.20x = 741,026.16 × 209,643.68
  4. Step 4: Simplify right side
    494,031.20x = 155,351,451,158.67
  5. Step 5: Solve for x
    x = 155,351,451,158.67/494,031.20
  6. Step 6: Final answer
    x = 314,456.76

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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.