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Finding the Fourth Proportional to 451,002.88, 676,628.89 and 401,429.40

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Solution

The fourth proportional to 451,002.88, 676,628.89 and 401,429.40 is: 602,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,002.88 : 676,628.89 = 401,429.40 : x
  2. Step 2: Convert to fraction form
    451,002.88/676,628.89 = 401,429.40/x
  3. Step 3: Cross multiply
    451,002.88x = 676,628.89 × 401,429.40
  4. Step 4: Simplify right side
    451,002.88x = 271,618,725,794.43
  5. Step 5: Solve for x
    x = 271,618,725,794.43/451,002.88
  6. Step 6: Final answer
    x = 602,254.97

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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.