Home / 728,931.20-1,093,396.80-410,066.60

Finding the Fourth Proportional to 728,931.20, 1,093,396.80 and 410,066.60

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Solution

The fourth proportional to 728,931.20, 1,093,396.80 and 410,066.60 is: 615,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,931.20 : 1,093,396.80 = 410,066.60 : x
  2. Step 2: Convert to fraction form
    728,931.20/1,093,396.80 = 410,066.60/x
  3. Step 3: Cross multiply
    728,931.20x = 1,093,396.80 × 410,066.60
  4. Step 4: Simplify right side
    728,931.20x = 448,365,508,226.88
  5. Step 5: Solve for x
    x = 448,365,508,226.88/728,931.20
  6. Step 6: Final answer
    x = 615,099.90

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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.