Home / 738,588.60-1,107,891.18-206,077.32

Finding the Fourth Proportional to 738,588.60, 1,107,891.18 and 206,077.32

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Solution

The fourth proportional to 738,588.60, 1,107,891.18 and 206,077.32 is: 309,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,588.60 : 1,107,891.18 = 206,077.32 : x
  2. Step 2: Convert to fraction form
    738,588.60/1,107,891.18 = 206,077.32/x
  3. Step 3: Cross multiply
    738,588.60x = 1,107,891.18 × 206,077.32
  4. Step 4: Simplify right side
    738,588.60x = 228,311,245,226.04
  5. Step 5: Solve for x
    x = 228,311,245,226.04/738,588.60
  6. Step 6: Final answer
    x = 309,118.29

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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.