Home / 981,629.76-1,472,477.48-271,598.36

Finding the Fourth Proportional to 981,629.76, 1,472,477.48 and 271,598.36

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Solution

The fourth proportional to 981,629.76, 1,472,477.48 and 271,598.36 is: 407,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,629.76 : 1,472,477.48 = 271,598.36 : x
  2. Step 2: Convert to fraction form
    981,629.76/1,472,477.48 = 271,598.36/x
  3. Step 3: Cross multiply
    981,629.76x = 1,472,477.48 × 271,598.36
  4. Step 4: Simplify right side
    981,629.76x = 399,922,468,704.93
  5. Step 5: Solve for x
    x = 399,922,468,704.93/981,629.76
  6. Step 6: Final answer
    x = 407,406.63

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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.