Home / 671,415.52-1,007,156.75-191,714.49

Finding the Fourth Proportional to 671,415.52, 1,007,156.75 and 191,714.49

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Solution

The fourth proportional to 671,415.52, 1,007,156.75 and 191,714.49 is: 287,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,415.52 : 1,007,156.75 = 191,714.49 : x
  2. Step 2: Convert to fraction form
    671,415.52/1,007,156.75 = 191,714.49/x
  3. Step 3: Cross multiply
    671,415.52x = 1,007,156.75 × 191,714.49
  4. Step 4: Simplify right side
    671,415.52x = 193,086,542,676.31
  5. Step 5: Solve for x
    x = 193,086,542,676.31/671,415.52
  6. Step 6: Final answer
    x = 287,581.29

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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.