Home / 1,098,231.07-1,646,960.55-329,499.58

Finding the Fourth Proportional to 1,098,231.07, 1,646,960.55 and 329,499.58

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Solution

The fourth proportional to 1,098,231.07, 1,646,960.55 and 329,499.58 is: 494,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,231.07 : 1,646,960.55 = 329,499.58 : x
  2. Step 2: Convert to fraction form
    1,098,231.07/1,646,960.55 = 329,499.58/x
  3. Step 3: Cross multiply
    1,098,231.07x = 1,646,960.55 × 329,499.58
  4. Step 4: Simplify right side
    1,098,231.07x = 542,672,809,501.57
  5. Step 5: Solve for x
    x = 542,672,809,501.57/1,098,231.07
  6. Step 6: Final answer
    x = 494,133.54

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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.