Home / 671,027-1,006,540.50-172,391

Finding the Fourth Proportional to 671,027, 1,006,540.50 and 172,391

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Solution

The fourth proportional to 671,027, 1,006,540.50 and 172,391 is: 258,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,027 : 1,006,540.50 = 172,391 : x
  2. Step 2: Convert to fraction form
    671,027/1,006,540.50 = 172,391/x
  3. Step 3: Cross multiply
    671,027x = 1,006,540.50 × 172,391
  4. Step 4: Simplify right side
    671,027x = 173,518,523,335.50
  5. Step 5: Solve for x
    x = 173,518,523,335.50/671,027
  6. Step 6: Final answer
    x = 258,586.50

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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.