Home / 769,816.80-1,154,725.20-208,851.30

Finding the Fourth Proportional to 769,816.80, 1,154,725.20 and 208,851.30

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Solution

The fourth proportional to 769,816.80, 1,154,725.20 and 208,851.30 is: 313,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,816.80 : 1,154,725.20 = 208,851.30 : x
  2. Step 2: Convert to fraction form
    769,816.80/1,154,725.20 = 208,851.30/x
  3. Step 3: Cross multiply
    769,816.80x = 1,154,725.20 × 208,851.30
  4. Step 4: Simplify right side
    769,816.80x = 241,165,859,162.76
  5. Step 5: Solve for x
    x = 241,165,859,162.76/769,816.80
  6. Step 6: Final answer
    x = 313,276.95

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Similar ratio
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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.