Home / 825,620.67-1,238,554.13-293,097.11

Finding the Fourth Proportional to 825,620.67, 1,238,554.13 and 293,097.11

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Solution

The fourth proportional to 825,620.67, 1,238,554.13 and 293,097.11 is: 439,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,620.67 : 1,238,554.13 = 293,097.11 : x
  2. Step 2: Convert to fraction form
    825,620.67/1,238,554.13 = 293,097.11/x
  3. Step 3: Cross multiply
    825,620.67x = 1,238,554.13 × 293,097.11
  4. Step 4: Simplify right side
    825,620.67x = 363,016,628,423.31
  5. Step 5: Solve for x
    x = 363,016,628,423.31/825,620.67
  6. Step 6: Final answer
    x = 439,689.37

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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.