Home / 494,820.90-741,356.55-438,833.70

Finding the Fourth Proportional to 494,820.90, 741,356.55 and 438,833.70

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Solution

The fourth proportional to 494,820.90, 741,356.55 and 438,833.70 is: 657,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,820.90 : 741,356.55 = 438,833.70 : x
  2. Step 2: Convert to fraction form
    494,820.90/741,356.55 = 438,833.70/x
  3. Step 3: Cross multiply
    494,820.90x = 741,356.55 × 438,833.70
  4. Step 4: Simplify right side
    494,820.90x = 325,332,237,855.74
  5. Step 5: Solve for x
    x = 325,332,237,855.74/494,820.90
  6. Step 6: Final answer
    x = 657,474.73

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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.