Home / 454,739.33-627,584.63-339,818.42

Finding the Fourth Proportional to 454,739.33, 627,584.63 and 339,818.42

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Solution

The fourth proportional to 454,739.33, 627,584.63 and 339,818.42 is: 468,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,739.33 : 627,584.63 = 339,818.42 : x
  2. Step 2: Convert to fraction form
    454,739.33/627,584.63 = 339,818.42/x
  3. Step 3: Cross multiply
    454,739.33x = 627,584.63 × 339,818.42
  4. Step 4: Simplify right side
    454,739.33x = 213,264,812,545.87
  5. Step 5: Solve for x
    x = 213,264,812,545.87/454,739.33
  6. Step 6: Final answer
    x = 468,982.56

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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.