Home / 808,359.60-1,212,976.80-359,149.80

Finding the Fourth Proportional to 808,359.60, 1,212,976.80 and 359,149.80

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Solution

The fourth proportional to 808,359.60, 1,212,976.80 and 359,149.80 is: 538,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,359.60 : 1,212,976.80 = 359,149.80 : x
  2. Step 2: Convert to fraction form
    808,359.60/1,212,976.80 = 359,149.80/x
  3. Step 3: Cross multiply
    808,359.60x = 1,212,976.80 × 359,149.80
  4. Step 4: Simplify right side
    808,359.60x = 435,640,375,124.64
  5. Step 5: Solve for x
    x = 435,640,375,124.64/808,359.60
  6. Step 6: Final answer
    x = 538,919.03

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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.