Home / 828,768.15-1,243,029.20-229,666.85

Finding the Fourth Proportional to 828,768.15, 1,243,029.20 and 229,666.85

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Solution

The fourth proportional to 828,768.15, 1,243,029.20 and 229,666.85 is: 344,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,768.15 : 1,243,029.20 = 229,666.85 : x
  2. Step 2: Convert to fraction form
    828,768.15/1,243,029.20 = 229,666.85/x
  3. Step 3: Cross multiply
    828,768.15x = 1,243,029.20 × 229,666.85
  4. Step 4: Simplify right side
    828,768.15x = 285,482,593,458.54
  5. Step 5: Solve for x
    x = 285,482,593,458.54/828,768.15
  6. Step 6: Final answer
    x = 344,466.17

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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.