Home / 986,754.24-1,480,021.20-276,809.76

Finding the Fourth Proportional to 986,754.24, 1,480,021.20 and 276,809.76

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Solution

The fourth proportional to 986,754.24, 1,480,021.20 and 276,809.76 is: 415,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,754.24 : 1,480,021.20 = 276,809.76 : x
  2. Step 2: Convert to fraction form
    986,754.24/1,480,021.20 = 276,809.76/x
  3. Step 3: Cross multiply
    986,754.24x = 1,480,021.20 × 276,809.76
  4. Step 4: Simplify right side
    986,754.24x = 409,684,313,166.91
  5. Step 5: Solve for x
    x = 409,684,313,166.91/986,754.24
  6. Step 6: Final answer
    x = 415,183.74

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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.