Home / 930,021.75-1,395,120.79-361,446.69

Finding the Fourth Proportional to 930,021.75, 1,395,120.79 and 361,446.69

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Solution

The fourth proportional to 930,021.75, 1,395,120.79 and 361,446.69 is: 542,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,021.75 : 1,395,120.79 = 361,446.69 : x
  2. Step 2: Convert to fraction form
    930,021.75/1,395,120.79 = 361,446.69/x
  3. Step 3: Cross multiply
    930,021.75x = 1,395,120.79 × 361,446.69
  4. Step 4: Simplify right side
    930,021.75x = 504,261,785,572.25
  5. Step 5: Solve for x
    x = 504,261,785,572.25/930,021.75
  6. Step 6: Final answer
    x = 542,204.29

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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.