Home / 816,712.97-1,225,069.07-248,091.86

Finding the Fourth Proportional to 816,712.97, 1,225,069.07 and 248,091.86

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Solution

The fourth proportional to 816,712.97, 1,225,069.07 and 248,091.86 is: 372,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,712.97 : 1,225,069.07 = 248,091.86 : x
  2. Step 2: Convert to fraction form
    816,712.97/1,225,069.07 = 248,091.86/x
  3. Step 3: Cross multiply
    816,712.97x = 1,225,069.07 × 248,091.86
  4. Step 4: Simplify right side
    816,712.97x = 303,929,666,026.98
  5. Step 5: Solve for x
    x = 303,929,666,026.98/816,712.97
  6. Step 6: Final answer
    x = 372,137.68

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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.