Home / 981,795.50-1,472,695.14-271,825.64

Finding the Fourth Proportional to 981,795.50, 1,472,695.14 and 271,825.64

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Solution

The fourth proportional to 981,795.50, 1,472,695.14 and 271,825.64 is: 407,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,795.50 : 1,472,695.14 = 271,825.64 : x
  2. Step 2: Convert to fraction form
    981,795.50/1,472,695.14 = 271,825.64/x
  3. Step 3: Cross multiply
    981,795.50x = 1,472,695.14 × 271,825.64
  4. Step 4: Simplify right side
    981,795.50x = 400,316,298,955.39
  5. Step 5: Solve for x
    x = 400,316,298,955.39/981,795.50
  6. Step 6: Final answer
    x = 407,738.98

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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.