Home / 838,455.07-1,257,683.00-269,836.11

Finding the Fourth Proportional to 838,455.07, 1,257,683.00 and 269,836.11

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Solution

The fourth proportional to 838,455.07, 1,257,683.00 and 269,836.11 is: 404,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,455.07 : 1,257,683.00 = 269,836.11 : x
  2. Step 2: Convert to fraction form
    838,455.07/1,257,683.00 = 269,836.11/x
  3. Step 3: Cross multiply
    838,455.07x = 1,257,683.00 × 269,836.11
  4. Step 4: Simplify right side
    838,455.07x = 339,368,288,501.78
  5. Step 5: Solve for x
    x = 339,368,288,501.78/838,455.07
  6. Step 6: Final answer
    x = 404,754.29

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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.