Home / 981,718.79-1,472,580.20-271,748.93

Finding the Fourth Proportional to 981,718.79, 1,472,580.20 and 271,748.93

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Solution

The fourth proportional to 981,718.79, 1,472,580.20 and 271,748.93 is: 407,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,718.79 : 1,472,580.20 = 271,748.93 : x
  2. Step 2: Convert to fraction form
    981,718.79/1,472,580.20 = 271,748.93/x
  3. Step 3: Cross multiply
    981,718.79x = 1,472,580.20 × 271,748.93
  4. Step 4: Simplify right side
    981,718.79x = 400,172,087,005.66
  5. Step 5: Solve for x
    x = 400,172,087,005.66/981,718.79
  6. Step 6: Final answer
    x = 407,623.95

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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.