Home / 779,200.20-1,168,800.30-729,008.55

Finding the Fourth Proportional to 779,200.20, 1,168,800.30 and 729,008.55

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Solution

The fourth proportional to 779,200.20, 1,168,800.30 and 729,008.55 is: 1,093,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,200.20 : 1,168,800.30 = 729,008.55 : x
  2. Step 2: Convert to fraction form
    779,200.20/1,168,800.30 = 729,008.55/x
  3. Step 3: Cross multiply
    779,200.20x = 1,168,800.30 × 729,008.55
  4. Step 4: Simplify right side
    779,200.20x = 852,065,411,942.57
  5. Step 5: Solve for x
    x = 852,065,411,942.57/779,200.20
  6. Step 6: Final answer
    x = 1,093,512.83

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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.