Home / 986,832.45-1,480,292.42-276,844.77

Finding the Fourth Proportional to 986,832.45, 1,480,292.42 and 276,844.77

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Solution

The fourth proportional to 986,832.45, 1,480,292.42 and 276,844.77 is: 415,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,832.45 : 1,480,292.42 = 276,844.77 : x
  2. Step 2: Convert to fraction form
    986,832.45/1,480,292.42 = 276,844.77/x
  3. Step 3: Cross multiply
    986,832.45x = 1,480,292.42 × 276,844.77
  4. Step 4: Simplify right side
    986,832.45x = 409,811,213,163.42
  5. Step 5: Solve for x
    x = 409,811,213,163.42/986,832.45
  6. Step 6: Final answer
    x = 415,279.43

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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.