Home / 701,339.60-1,051,986.36-280,502.48

Finding the Fourth Proportional to 701,339.60, 1,051,986.36 and 280,502.48

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Solution

The fourth proportional to 701,339.60, 1,051,986.36 and 280,502.48 is: 420,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,339.60 : 1,051,986.36 = 280,502.48 : x
  2. Step 2: Convert to fraction form
    701,339.60/1,051,986.36 = 280,502.48/x
  3. Step 3: Cross multiply
    701,339.60x = 1,051,986.36 × 280,502.48
  4. Step 4: Simplify right side
    701,339.60x = 295,084,782,906.17
  5. Step 5: Solve for x
    x = 295,084,782,906.17/701,339.60
  6. Step 6: Final answer
    x = 420,744.51

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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.