Home / 389,450.20-584,175.30-370,204.60

Finding the Fourth Proportional to 389,450.20, 584,175.30 and 370,204.60

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Solution

The fourth proportional to 389,450.20, 584,175.30 and 370,204.60 is: 555,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,450.20 : 584,175.30 = 370,204.60 : x
  2. Step 2: Convert to fraction form
    389,450.20/584,175.30 = 370,204.60/x
  3. Step 3: Cross multiply
    389,450.20x = 584,175.30 × 370,204.60
  4. Step 4: Simplify right side
    389,450.20x = 216,264,383,266.38
  5. Step 5: Solve for x
    x = 216,264,383,266.38/389,450.20
  6. Step 6: Final answer
    x = 555,306.90

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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.