Home / 1,477,172.20-2,215,758.30-479,900.20

Finding the Fourth Proportional to 1,477,172.20, 2,215,758.30 and 479,900.20

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Solution

The fourth proportional to 1,477,172.20, 2,215,758.30 and 479,900.20 is: 719,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,172.20 : 2,215,758.30 = 479,900.20 : x
  2. Step 2: Convert to fraction form
    1,477,172.20/2,215,758.30 = 479,900.20/x
  3. Step 3: Cross multiply
    1,477,172.20x = 2,215,758.30 × 479,900.20
  4. Step 4: Simplify right side
    1,477,172.20x = 1,063,342,851,321.66
  5. Step 5: Solve for x
    x = 1,063,342,851,321.66/1,477,172.20
  6. Step 6: Final answer
    x = 719,850.30

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Double scale
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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.