Home / 828,780.07-1,243,046.94-229,678.76

Finding the Fourth Proportional to 828,780.07, 1,243,046.94 and 229,678.76

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Solution

The fourth proportional to 828,780.07, 1,243,046.94 and 229,678.76 is: 344,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,780.07 : 1,243,046.94 = 229,678.76 : x
  2. Step 2: Convert to fraction form
    828,780.07/1,243,046.94 = 229,678.76/x
  3. Step 3: Cross multiply
    828,780.07x = 1,243,046.94 × 229,678.76
  4. Step 4: Simplify right side
    828,780.07x = 285,501,479,800.99
  5. Step 5: Solve for x
    x = 285,501,479,800.99/828,780.07
  6. Step 6: Final answer
    x = 344,484.01

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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.