Home / 981,983.80-1,354,979.26-552,238.30

Finding the Fourth Proportional to 981,983.80, 1,354,979.26 and 552,238.30

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Solution

The fourth proportional to 981,983.80, 1,354,979.26 and 552,238.30 is: 761,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,983.80 : 1,354,979.26 = 552,238.30 : x
  2. Step 2: Convert to fraction form
    981,983.80/1,354,979.26 = 552,238.30/x
  3. Step 3: Cross multiply
    981,983.80x = 1,354,979.26 × 552,238.30
  4. Step 4: Simplify right side
    981,983.80x = 748,271,441,697.06
  5. Step 5: Solve for x
    x = 748,271,441,697.06/981,983.80
  6. Step 6: Final answer
    x = 761,999.78

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1.5x scale

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.