Home / 823,311.84-1,234,954.32-262,338.72

Finding the Fourth Proportional to 823,311.84, 1,234,954.32 and 262,338.72

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Solution

The fourth proportional to 823,311.84, 1,234,954.32 and 262,338.72 is: 393,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,311.84 : 1,234,954.32 = 262,338.72 : x
  2. Step 2: Convert to fraction form
    823,311.84/1,234,954.32 = 262,338.72/x
  3. Step 3: Cross multiply
    823,311.84x = 1,234,954.32 × 262,338.72
  4. Step 4: Simplify right side
    823,311.84x = 323,976,335,567.27
  5. Step 5: Solve for x
    x = 323,976,335,567.27/823,311.84
  6. Step 6: Final answer
    x = 393,503.80

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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.