Home / 686,954.88-1,030,105.08-254,531.52

Finding the Fourth Proportional to 686,954.88, 1,030,105.08 and 254,531.52

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Solution

The fourth proportional to 686,954.88, 1,030,105.08 and 254,531.52 is: 381,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,954.88 : 1,030,105.08 = 254,531.52 : x
  2. Step 2: Convert to fraction form
    686,954.88/1,030,105.08 = 254,531.52/x
  3. Step 3: Cross multiply
    686,954.88x = 1,030,105.08 × 254,531.52
  4. Step 4: Simplify right side
    686,954.88x = 262,194,211,772.12
  5. Step 5: Solve for x
    x = 262,194,211,772.12/686,954.88
  6. Step 6: Final answer
    x = 381,676.03

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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.