Home / 382,112.80-571,808.40-332,735.20

Finding the Fourth Proportional to 382,112.80, 571,808.40 and 332,735.20

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Solution

The fourth proportional to 382,112.80, 571,808.40 and 332,735.20 is: 497,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,112.80 : 571,808.40 = 332,735.20 : x
  2. Step 2: Convert to fraction form
    382,112.80/571,808.40 = 332,735.20/x
  3. Step 3: Cross multiply
    382,112.80x = 571,808.40 × 332,735.20
  4. Step 4: Simplify right side
    382,112.80x = 190,260,782,335.68
  5. Step 5: Solve for x
    x = 190,260,782,335.68/382,112.80
  6. Step 6: Final answer
    x = 497,917.85

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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.