Home / 439,020.20-658,530.30-297,302.60

Finding the Fourth Proportional to 439,020.20, 658,530.30 and 297,302.60

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Solution

The fourth proportional to 439,020.20, 658,530.30 and 297,302.60 is: 445,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,020.20 : 658,530.30 = 297,302.60 : x
  2. Step 2: Convert to fraction form
    439,020.20/658,530.30 = 297,302.60/x
  3. Step 3: Cross multiply
    439,020.20x = 658,530.30 × 297,302.60
  4. Step 4: Simplify right side
    439,020.20x = 195,782,770,368.78
  5. Step 5: Solve for x
    x = 195,782,770,368.78/439,020.20
  6. Step 6: Final answer
    x = 445,953.90

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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.