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Finding the Fourth Proportional to 483,310.10, 725,062.35 and 404,966.90

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Solution

The fourth proportional to 483,310.10, 725,062.35 and 404,966.90 is: 607,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,310.10 : 725,062.35 = 404,966.90 : x
  2. Step 2: Convert to fraction form
    483,310.10/725,062.35 = 404,966.90/x
  3. Step 3: Cross multiply
    483,310.10x = 725,062.35 × 404,966.90
  4. Step 4: Simplify right side
    483,310.10x = 293,626,252,186.22
  5. Step 5: Solve for x
    x = 293,626,252,186.22/483,310.10
  6. Step 6: Final answer
    x = 607,531.79

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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.