Home / 662,125.45-913,729.67-360,321.61

Finding the Fourth Proportional to 662,125.45, 913,729.67 and 360,321.61

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Solution

The fourth proportional to 662,125.45, 913,729.67 and 360,321.61 is: 497,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,125.45 : 913,729.67 = 360,321.61 : x
  2. Step 2: Convert to fraction form
    662,125.45/913,729.67 = 360,321.61/x
  3. Step 3: Cross multiply
    662,125.45x = 913,729.67 × 360,321.61
  4. Step 4: Simplify right side
    662,125.45x = 329,236,543,997.56
  5. Step 5: Solve for x
    x = 329,236,543,997.56/662,125.45
  6. Step 6: Final answer
    x = 497,241.94

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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.