Home / 801,233.55-1,105,700.22-438,654.33

Finding the Fourth Proportional to 801,233.55, 1,105,700.22 and 438,654.33

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Solution

The fourth proportional to 801,233.55, 1,105,700.22 and 438,654.33 is: 605,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,233.55 : 1,105,700.22 = 438,654.33 : x
  2. Step 2: Convert to fraction form
    801,233.55/1,105,700.22 = 438,654.33/x
  3. Step 3: Cross multiply
    801,233.55x = 1,105,700.22 × 438,654.33
  4. Step 4: Simplify right side
    801,233.55x = 485,020,189,184.95
  5. Step 5: Solve for x
    x = 485,020,189,184.95/801,233.55
  6. Step 6: Final answer
    x = 605,341.84

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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.