Home / 738,391.73-1,107,774.39-205,912.82

Finding the Fourth Proportional to 738,391.73, 1,107,774.39 and 205,912.82

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Solution

The fourth proportional to 738,391.73, 1,107,774.39 and 205,912.82 is: 308,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,391.73 : 1,107,774.39 = 205,912.82 : x
  2. Step 2: Convert to fraction form
    738,391.73/1,107,774.39 = 205,912.82/x
  3. Step 3: Cross multiply
    738,391.73x = 1,107,774.39 × 205,912.82
  4. Step 4: Simplify right side
    738,391.73x = 228,104,943,029.81
  5. Step 5: Solve for x
    x = 228,104,943,029.81/738,391.73
  6. Step 6: Final answer
    x = 308,921.32

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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.