Home / 986,932.90-1,480,540.56-303,877.54

Finding the Fourth Proportional to 986,932.90, 1,480,540.56 and 303,877.54

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Solution

The fourth proportional to 986,932.90, 1,480,540.56 and 303,877.54 is: 455,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,932.90 : 1,480,540.56 = 303,877.54 : x
  2. Step 2: Convert to fraction form
    986,932.90/1,480,540.56 = 303,877.54/x
  3. Step 3: Cross multiply
    986,932.90x = 1,480,540.56 × 303,877.54
  4. Step 4: Simplify right side
    986,932.90x = 449,903,014,320.93
  5. Step 5: Solve for x
    x = 449,903,014,320.93/986,932.90
  6. Step 6: Final answer
    x = 455,859.78

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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.