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Finding the Fourth Proportional to 518,982.29, 716,179.32 and 304,265.36

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Solution

The fourth proportional to 518,982.29, 716,179.32 and 304,265.36 is: 419,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,982.29 : 716,179.32 = 304,265.36 : x
  2. Step 2: Convert to fraction form
    518,982.29/716,179.32 = 304,265.36/x
  3. Step 3: Cross multiply
    518,982.29x = 716,179.32 × 304,265.36
  4. Step 4: Simplify right side
    518,982.29x = 217,908,560,414.80
  5. Step 5: Solve for x
    x = 217,908,560,414.80/518,982.29
  6. Step 6: Final answer
    x = 419,876.68

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1.5x scale

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.