Home / 774,858.78-1,162,314.09-269,424.11

Finding the Fourth Proportional to 774,858.78, 1,162,314.09 and 269,424.11

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Solution

The fourth proportional to 774,858.78, 1,162,314.09 and 269,424.11 is: 404,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,858.78 : 1,162,314.09 = 269,424.11 : x
  2. Step 2: Convert to fraction form
    774,858.78/1,162,314.09 = 269,424.11/x
  3. Step 3: Cross multiply
    774,858.78x = 1,162,314.09 × 269,424.11
  4. Step 4: Simplify right side
    774,858.78x = 313,155,433,427.14
  5. Step 5: Solve for x
    x = 313,155,433,427.14/774,858.78
  6. Step 6: Final answer
    x = 404,145.17

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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.