Home / 494,615.20-741,922.80-465,090.70

Finding the Fourth Proportional to 494,615.20, 741,922.80 and 465,090.70

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Solution

The fourth proportional to 494,615.20, 741,922.80 and 465,090.70 is: 697,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,615.20 : 741,922.80 = 465,090.70 : x
  2. Step 2: Convert to fraction form
    494,615.20/741,922.80 = 465,090.70/x
  3. Step 3: Cross multiply
    494,615.20x = 741,922.80 × 465,090.70
  4. Step 4: Simplify right side
    494,615.20x = 345,061,394,397.96
  5. Step 5: Solve for x
    x = 345,061,394,397.96/494,615.20
  6. Step 6: Final answer
    x = 697,636.05

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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.