Home / 738,964.82-1,108,944.47-259,196.96

Finding the Fourth Proportional to 738,964.82, 1,108,944.47 and 259,196.96

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Solution

The fourth proportional to 738,964.82, 1,108,944.47 and 259,196.96 is: 388,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,964.82 : 1,108,944.47 = 259,196.96 : x
  2. Step 2: Convert to fraction form
    738,964.82/1,108,944.47 = 259,196.96/x
  3. Step 3: Cross multiply
    738,964.82x = 1,108,944.47 × 259,196.96
  4. Step 4: Simplify right side
    738,964.82x = 287,435,035,432.81
  5. Step 5: Solve for x
    x = 287,435,035,432.81/738,964.82
  6. Step 6: Final answer
    x = 388,969.85

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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.