Home / 823,516.58-1,234,774.28-343,163.90

Finding the Fourth Proportional to 823,516.58, 1,234,774.28 and 343,163.90

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Solution

The fourth proportional to 823,516.58, 1,234,774.28 and 343,163.90 is: 514,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,516.58 : 1,234,774.28 = 343,163.90 : x
  2. Step 2: Convert to fraction form
    823,516.58/1,234,774.28 = 343,163.90/x
  3. Step 3: Cross multiply
    823,516.58x = 1,234,774.28 × 343,163.90
  4. Step 4: Simplify right side
    823,516.58x = 423,729,957,544.49
  5. Step 5: Solve for x
    x = 423,729,957,544.49/823,516.58
  6. Step 6: Final answer
    x = 514,537.25

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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.