Home / 769,062.80-1,153,594.20-208,097.30

Finding the Fourth Proportional to 769,062.80, 1,153,594.20 and 208,097.30

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Solution

The fourth proportional to 769,062.80, 1,153,594.20 and 208,097.30 is: 312,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,062.80 : 1,153,594.20 = 208,097.30 : x
  2. Step 2: Convert to fraction form
    769,062.80/1,153,594.20 = 208,097.30/x
  3. Step 3: Cross multiply
    769,062.80x = 1,153,594.20 × 208,097.30
  4. Step 4: Simplify right side
    769,062.80x = 240,059,838,315.66
  5. Step 5: Solve for x
    x = 240,059,838,315.66/769,062.80
  6. Step 6: Final answer
    x = 312,145.95

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Double scale
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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.