Home / 827,808.30-1,241,712.45-764,822.70

Finding the Fourth Proportional to 827,808.30, 1,241,712.45 and 764,822.70

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Solution

The fourth proportional to 827,808.30, 1,241,712.45 and 764,822.70 is: 1,147,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,808.30 : 1,241,712.45 = 764,822.70 : x
  2. Step 2: Convert to fraction form
    827,808.30/1,241,712.45 = 764,822.70/x
  3. Step 3: Cross multiply
    827,808.30x = 1,241,712.45 × 764,822.70
  4. Step 4: Simplify right side
    827,808.30x = 949,689,868,632.62
  5. Step 5: Solve for x
    x = 949,689,868,632.62/827,808.30
  6. Step 6: Final answer
    x = 1,147,234.05

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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.