Home / 824,518.08-1,236,716.64-263,401.92

Finding the Fourth Proportional to 824,518.08, 1,236,716.64 and 263,401.92

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Solution

The fourth proportional to 824,518.08, 1,236,716.64 and 263,401.92 is: 395,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,518.08 : 1,236,716.64 = 263,401.92 : x
  2. Step 2: Convert to fraction form
    824,518.08/1,236,716.64 = 263,401.92/x
  3. Step 3: Cross multiply
    824,518.08x = 1,236,716.64 × 263,401.92
  4. Step 4: Simplify right side
    824,518.08x = 325,753,537,471.95
  5. Step 5: Solve for x
    x = 325,753,537,471.95/824,518.08
  6. Step 6: Final answer
    x = 395,083.56

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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.