Home / 447,620.50-618,241.17-296,455.06

Finding the Fourth Proportional to 447,620.50, 618,241.17 and 296,455.06

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Solution

The fourth proportional to 447,620.50, 618,241.17 and 296,455.06 is: 409,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,620.50 : 618,241.17 = 296,455.06 : x
  2. Step 2: Convert to fraction form
    447,620.50/618,241.17 = 296,455.06/x
  3. Step 3: Cross multiply
    447,620.50x = 618,241.17 × 296,455.06
  4. Step 4: Simplify right side
    447,620.50x = 183,280,723,146.82
  5. Step 5: Solve for x
    x = 183,280,723,146.82/447,620.50
  6. Step 6: Final answer
    x = 409,455.61

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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.