Home / 715,449.11-986,908.66-446,710.55

Finding the Fourth Proportional to 715,449.11, 986,908.66 and 446,710.55

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Solution

The fourth proportional to 715,449.11, 986,908.66 and 446,710.55 is: 616,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,449.11 : 986,908.66 = 446,710.55 : x
  2. Step 2: Convert to fraction form
    715,449.11/986,908.66 = 446,710.55/x
  3. Step 3: Cross multiply
    715,449.11x = 986,908.66 × 446,710.55
  4. Step 4: Simplify right side
    715,449.11x = 440,862,504,257.04
  5. Step 5: Solve for x
    x = 440,862,504,257.04/715,449.11
  6. Step 6: Final answer
    x = 616,203.87

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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.