Home / 823,267.70-1,234,538.67-262,358.90

Finding the Fourth Proportional to 823,267.70, 1,234,538.67 and 262,358.90

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Solution

The fourth proportional to 823,267.70, 1,234,538.67 and 262,358.90 is: 393,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,267.70 : 1,234,538.67 = 262,358.90 : x
  2. Step 2: Convert to fraction form
    823,267.70/1,234,538.67 = 262,358.90/x
  3. Step 3: Cross multiply
    823,267.70x = 1,234,538.67 × 262,358.90
  4. Step 4: Simplify right side
    823,267.70x = 323,892,207,468.66
  5. Step 5: Solve for x
    x = 323,892,207,468.66/823,267.70
  6. Step 6: Final answer
    x = 393,422.71

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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.