Home / 675,251.08-1,011,162.54-405,209.44

Finding the Fourth Proportional to 675,251.08, 1,011,162.54 and 405,209.44

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Solution

The fourth proportional to 675,251.08, 1,011,162.54 and 405,209.44 is: 606,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,251.08 : 1,011,162.54 = 405,209.44 : x
  2. Step 2: Convert to fraction form
    675,251.08/1,011,162.54 = 405,209.44/x
  3. Step 3: Cross multiply
    675,251.08x = 1,011,162.54 × 405,209.44
  4. Step 4: Simplify right side
    675,251.08x = 409,732,606,582.38
  5. Step 5: Solve for x
    x = 409,732,606,582.38/675,251.08
  6. Step 6: Final answer
    x = 606,785.56

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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.