Home / 675,161.70-1,013,240.28-320,176.74

Finding the Fourth Proportional to 675,161.70, 1,013,240.28 and 320,176.74

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Solution

The fourth proportional to 675,161.70, 1,013,240.28 and 320,176.74 is: 480,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,161.70 : 1,013,240.28 = 320,176.74 : x
  2. Step 2: Convert to fraction form
    675,161.70/1,013,240.28 = 320,176.74/x
  3. Step 3: Cross multiply
    675,161.70x = 1,013,240.28 × 320,176.74
  4. Step 4: Simplify right side
    675,161.70x = 324,415,969,687.09
  5. Step 5: Solve for x
    x = 324,415,969,687.09/675,161.70
  6. Step 6: Final answer
    x = 480,501.14

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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.