Home / 769,340.64-1,153,894.20-270,588

Finding the Fourth Proportional to 769,340.64, 1,153,894.20 and 270,588

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Solution

The fourth proportional to 769,340.64, 1,153,894.20 and 270,588 is: 405,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,340.64 : 1,153,894.20 = 270,588 : x
  2. Step 2: Convert to fraction form
    769,340.64/1,153,894.20 = 270,588/x
  3. Step 3: Cross multiply
    769,340.64x = 1,153,894.20 × 270,588
  4. Step 4: Simplify right side
    769,340.64x = 312,229,923,789.60
  5. Step 5: Solve for x
    x = 312,229,923,789.60/769,340.64
  6. Step 6: Final answer
    x = 405,840.93

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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.