Home / 930,166.25-1,395,113.29-443,738.57

Finding the Fourth Proportional to 930,166.25, 1,395,113.29 and 443,738.57

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Solution

The fourth proportional to 930,166.25, 1,395,113.29 and 443,738.57 is: 665,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,166.25 : 1,395,113.29 = 443,738.57 : x
  2. Step 2: Convert to fraction form
    930,166.25/1,395,113.29 = 443,738.57/x
  3. Step 3: Cross multiply
    930,166.25x = 1,395,113.29 × 443,738.57
  4. Step 4: Simplify right side
    930,166.25x = 619,065,568,207.68
  5. Step 5: Solve for x
    x = 619,065,568,207.68/930,166.25
  6. Step 6: Final answer
    x = 665,542.93

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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.