Home / 677,251.78-1,015,932.95-340,119.04

Finding the Fourth Proportional to 677,251.78, 1,015,932.95 and 340,119.04

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Solution

The fourth proportional to 677,251.78, 1,015,932.95 and 340,119.04 is: 510,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,251.78 : 1,015,932.95 = 340,119.04 : x
  2. Step 2: Convert to fraction form
    677,251.78/1,015,932.95 = 340,119.04/x
  3. Step 3: Cross multiply
    677,251.78x = 1,015,932.95 × 340,119.04
  4. Step 4: Simplify right side
    677,251.78x = 345,538,139,658.37
  5. Step 5: Solve for x
    x = 345,538,139,658.37/677,251.78
  6. Step 6: Final answer
    x = 510,206.32

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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.