Home / 675,473.76-1,012,836.24-276,394.32

Finding the Fourth Proportional to 675,473.76, 1,012,836.24 and 276,394.32

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Solution

The fourth proportional to 675,473.76, 1,012,836.24 and 276,394.32 is: 414,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,473.76 : 1,012,836.24 = 276,394.32 : x
  2. Step 2: Convert to fraction form
    675,473.76/1,012,836.24 = 276,394.32/x
  3. Step 3: Cross multiply
    675,473.76x = 1,012,836.24 × 276,394.32
  4. Step 4: Simplify right side
    675,473.76x = 279,942,183,826.16
  5. Step 5: Solve for x
    x = 279,942,183,826.16/675,473.76
  6. Step 6: Final answer
    x = 414,438.28

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1.5x scale

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.