Home / 675,133.38-1,013,198.49-320,148.59

Finding the Fourth Proportional to 675,133.38, 1,013,198.49 and 320,148.59

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Solution

The fourth proportional to 675,133.38, 1,013,198.49 and 320,148.59 is: 480,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,133.38 : 1,013,198.49 = 320,148.59 : x
  2. Step 2: Convert to fraction form
    675,133.38/1,013,198.49 = 320,148.59/x
  3. Step 3: Cross multiply
    675,133.38x = 1,013,198.49 × 320,148.59
  4. Step 4: Simplify right side
    675,133.38x = 324,374,062,897.64
  5. Step 5: Solve for x
    x = 324,374,062,897.64/675,133.38
  6. Step 6: Final answer
    x = 480,459.23

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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.