Home / 738,247.72-1,107,371.90-205,782.44

Finding the Fourth Proportional to 738,247.72, 1,107,371.90 and 205,782.44

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Solution

The fourth proportional to 738,247.72, 1,107,371.90 and 205,782.44 is: 308,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,247.72 : 1,107,371.90 = 205,782.44 : x
  2. Step 2: Convert to fraction form
    738,247.72/1,107,371.90 = 205,782.44/x
  3. Step 3: Cross multiply
    738,247.72x = 1,107,371.90 × 205,782.44
  4. Step 4: Simplify right side
    738,247.72x = 227,877,691,569.44
  5. Step 5: Solve for x
    x = 227,877,691,569.44/738,247.72
  6. Step 6: Final answer
    x = 308,673.75

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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.