Home / 870,615.44-1,305,921.41-230,983.29

Finding the Fourth Proportional to 870,615.44, 1,305,921.41 and 230,983.29

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Solution

The fourth proportional to 870,615.44, 1,305,921.41 and 230,983.29 is: 346,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,615.44 : 1,305,921.41 = 230,983.29 : x
  2. Step 2: Convert to fraction form
    870,615.44/1,305,921.41 = 230,983.29/x
  3. Step 3: Cross multiply
    870,615.44x = 1,305,921.41 × 230,983.29
  4. Step 4: Simplify right side
    870,615.44x = 301,646,022,608.32
  5. Step 5: Solve for x
    x = 301,646,022,608.32/870,615.44
  6. Step 6: Final answer
    x = 346,474.47

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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.