Home / 686,893.05-1,029,612.37-231,050.34

Finding the Fourth Proportional to 686,893.05, 1,029,612.37 and 231,050.34

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Solution

The fourth proportional to 686,893.05, 1,029,612.37 and 231,050.34 is: 346,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,893.05 : 1,029,612.37 = 231,050.34 : x
  2. Step 2: Convert to fraction form
    686,893.05/1,029,612.37 = 231,050.34/x
  3. Step 3: Cross multiply
    686,893.05x = 1,029,612.37 × 231,050.34
  4. Step 4: Simplify right side
    686,893.05x = 237,892,288,156.71
  5. Step 5: Solve for x
    x = 237,892,288,156.71/686,893.05
  6. Step 6: Final answer
    x = 346,330.90

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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.