Home / 630,140.60-944,965.20-274,912.40

Finding the Fourth Proportional to 630,140.60, 944,965.20 and 274,912.40

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Solution

The fourth proportional to 630,140.60, 944,965.20 and 274,912.40 is: 412,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,140.60 : 944,965.20 = 274,912.40 : x
  2. Step 2: Convert to fraction form
    630,140.60/944,965.20 = 274,912.40/x
  3. Step 3: Cross multiply
    630,140.60x = 944,965.20 × 274,912.40
  4. Step 4: Simplify right side
    630,140.60x = 259,782,651,048.48
  5. Step 5: Solve for x
    x = 259,782,651,048.48/630,140.60
  6. Step 6: Final answer
    x = 412,261.41

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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.