Home / 769,601.20-1,154,401.80-208,635.70

Finding the Fourth Proportional to 769,601.20, 1,154,401.80 and 208,635.70

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Solution

The fourth proportional to 769,601.20, 1,154,401.80 and 208,635.70 is: 312,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,601.20 : 1,154,401.80 = 208,635.70 : x
  2. Step 2: Convert to fraction form
    769,601.20/1,154,401.80 = 208,635.70/x
  3. Step 3: Cross multiply
    769,601.20x = 1,154,401.80 × 208,635.70
  4. Step 4: Simplify right side
    769,601.20x = 240,849,427,624.26
  5. Step 5: Solve for x
    x = 240,849,427,624.26/769,601.20
  6. Step 6: Final answer
    x = 312,953.55

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Similar ratio
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1.5x scale

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.