Home / 675,489.51-1,013,357.07-320,500.26

Finding the Fourth Proportional to 675,489.51, 1,013,357.07 and 320,500.26

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Solution

The fourth proportional to 675,489.51, 1,013,357.07 and 320,500.26 is: 480,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,489.51 : 1,013,357.07 = 320,500.26 : x
  2. Step 2: Convert to fraction form
    675,489.51/1,013,357.07 = 320,500.26/x
  3. Step 3: Cross multiply
    675,489.51x = 1,013,357.07 × 320,500.26
  4. Step 4: Simplify right side
    675,489.51x = 324,781,204,407.84
  5. Step 5: Solve for x
    x = 324,781,204,407.84/675,489.51
  6. Step 6: Final answer
    x = 480,808.66

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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.