Home / 787,387.32-1,181,099.21-281,982.96

Finding the Fourth Proportional to 787,387.32, 1,181,099.21 and 281,982.96

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Solution

The fourth proportional to 787,387.32, 1,181,099.21 and 281,982.96 is: 422,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,387.32 : 1,181,099.21 = 281,982.96 : x
  2. Step 2: Convert to fraction form
    787,387.32/1,181,099.21 = 281,982.96/x
  3. Step 3: Cross multiply
    787,387.32x = 1,181,099.21 × 281,982.96
  4. Step 4: Simplify right side
    787,387.32x = 333,049,849,879.55
  5. Step 5: Solve for x
    x = 333,049,849,879.55/787,387.32
  6. Step 6: Final answer
    x = 422,980.97

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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.