Home / 827,208.80-1,240,813.20-228,262.40

Finding the Fourth Proportional to 827,208.80, 1,240,813.20 and 228,262.40

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Solution

The fourth proportional to 827,208.80, 1,240,813.20 and 228,262.40 is: 342,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,208.80 : 1,240,813.20 = 228,262.40 : x
  2. Step 2: Convert to fraction form
    827,208.80/1,240,813.20 = 228,262.40/x
  3. Step 3: Cross multiply
    827,208.80x = 1,240,813.20 × 228,262.40
  4. Step 4: Simplify right side
    827,208.80x = 283,230,998,983.68
  5. Step 5: Solve for x
    x = 283,230,998,983.68/827,208.80
  6. Step 6: Final answer
    x = 342,393.60

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Similar ratio
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1.5x scale

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.