Home / 727,236.59-1,090,348.97-322,209.05

Finding the Fourth Proportional to 727,236.59, 1,090,348.97 and 322,209.05

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Solution

The fourth proportional to 727,236.59, 1,090,348.97 and 322,209.05 is: 483,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,236.59 : 1,090,348.97 = 322,209.05 : x
  2. Step 2: Convert to fraction form
    727,236.59/1,090,348.97 = 322,209.05/x
  3. Step 3: Cross multiply
    727,236.59x = 1,090,348.97 × 322,209.05
  4. Step 4: Simplify right side
    727,236.59x = 351,320,298,729.39
  5. Step 5: Solve for x
    x = 351,320,298,729.39/727,236.59
  6. Step 6: Final answer
    x = 483,089.42

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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.