Home / 686,574.26-1,029,140.46-231,007.34

Finding the Fourth Proportional to 686,574.26, 1,029,140.46 and 231,007.34

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Solution

The fourth proportional to 686,574.26, 1,029,140.46 and 231,007.34 is: 346,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,574.26 : 1,029,140.46 = 231,007.34 : x
  2. Step 2: Convert to fraction form
    686,574.26/1,029,140.46 = 231,007.34/x
  3. Step 3: Cross multiply
    686,574.26x = 1,029,140.46 × 231,007.34
  4. Step 4: Simplify right side
    686,574.26x = 237,738,995,005.27
  5. Step 5: Solve for x
    x = 237,738,995,005.27/686,574.26
  6. Step 6: Final answer
    x = 346,268.44

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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.