Home / 663,263.78-995,089.46-213,974.73

Finding the Fourth Proportional to 663,263.78, 995,089.46 and 213,974.73

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Solution

The fourth proportional to 663,263.78, 995,089.46 and 213,974.73 is: 321,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,263.78 : 995,089.46 = 213,974.73 : x
  2. Step 2: Convert to fraction form
    663,263.78/995,089.46 = 213,974.73/x
  3. Step 3: Cross multiply
    663,263.78x = 995,089.46 × 213,974.73
  4. Step 4: Simplify right side
    663,263.78x = 212,923,997,459.47
  5. Step 5: Solve for x
    x = 212,923,997,459.47/663,263.78
  6. Step 6: Final answer
    x = 321,024.61

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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.