Home / 686,794.83-1,030,339.67-231,431.06

Finding the Fourth Proportional to 686,794.83, 1,030,339.67 and 231,431.06

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Solution

The fourth proportional to 686,794.83, 1,030,339.67 and 231,431.06 is: 347,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,794.83 : 1,030,339.67 = 231,431.06 : x
  2. Step 2: Convert to fraction form
    686,794.83/1,030,339.67 = 231,431.06/x
  3. Step 3: Cross multiply
    686,794.83x = 1,030,339.67 × 231,431.06
  4. Step 4: Simplify right side
    686,794.83x = 238,452,595,679.30
  5. Step 5: Solve for x
    x = 238,452,595,679.30/686,794.83
  6. Step 6: Final answer
    x = 347,196.26

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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.