Home / 706,372.14-1,058,917.35-256,775.47

Finding the Fourth Proportional to 706,372.14, 1,058,917.35 and 256,775.47

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Solution

The fourth proportional to 706,372.14, 1,058,917.35 and 256,775.47 is: 384,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,372.14 : 1,058,917.35 = 256,775.47 : x
  2. Step 2: Convert to fraction form
    706,372.14/1,058,917.35 = 256,775.47/x
  3. Step 3: Cross multiply
    706,372.14x = 1,058,917.35 × 256,775.47
  4. Step 4: Simplify right side
    706,372.14x = 271,903,998,553.02
  5. Step 5: Solve for x
    x = 271,903,998,553.02/706,372.14
  6. Step 6: Final answer
    x = 384,930.24

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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.