Home / 981,984.05-1,354,979.60-552,238.55

Finding the Fourth Proportional to 981,984.05, 1,354,979.60 and 552,238.55

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Solution

The fourth proportional to 981,984.05, 1,354,979.60 and 552,238.55 is: 762,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,984.05 : 1,354,979.60 = 552,238.55 : x
  2. Step 2: Convert to fraction form
    981,984.05/1,354,979.60 = 552,238.55/x
  3. Step 3: Cross multiply
    981,984.05x = 1,354,979.60 × 552,238.55
  4. Step 4: Simplify right side
    981,984.05x = 748,271,970,964.18
  5. Step 5: Solve for x
    x = 748,271,970,964.18/981,984.05
  6. Step 6: Final answer
    x = 762,000.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.