Home / 678,785.24-1,018,180.28-229,509.83

Finding the Fourth Proportional to 678,785.24, 1,018,180.28 and 229,509.83

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Solution

The fourth proportional to 678,785.24, 1,018,180.28 and 229,509.83 is: 344,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,785.24 : 1,018,180.28 = 229,509.83 : x
  2. Step 2: Convert to fraction form
    678,785.24/1,018,180.28 = 229,509.83/x
  3. Step 3: Cross multiply
    678,785.24x = 1,018,180.28 × 229,509.83
  4. Step 4: Simplify right side
    678,785.24x = 233,682,378,455.03
  5. Step 5: Solve for x
    x = 233,682,378,455.03/678,785.24
  6. Step 6: Final answer
    x = 344,265.56

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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.