Home / 661,806.26-913,288.53-360,001.46

Finding the Fourth Proportional to 661,806.26, 913,288.53 and 360,001.46

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Solution

The fourth proportional to 661,806.26, 913,288.53 and 360,001.46 is: 496,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,806.26 : 913,288.53 = 360,001.46 : x
  2. Step 2: Convert to fraction form
    661,806.26/913,288.53 = 360,001.46/x
  3. Step 3: Cross multiply
    661,806.26x = 913,288.53 × 360,001.46
  4. Step 4: Simplify right side
    661,806.26x = 328,785,204,201.25
  5. Step 5: Solve for x
    x = 328,785,204,201.25/661,806.26
  6. Step 6: Final answer
    x = 496,799.78

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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.