Home / 744,745.96-1,117,117.30-271,237.80

Finding the Fourth Proportional to 744,745.96, 1,117,117.30 and 271,237.80

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Solution

The fourth proportional to 744,745.96, 1,117,117.30 and 271,237.80 is: 406,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,745.96 : 1,117,117.30 = 271,237.80 : x
  2. Step 2: Convert to fraction form
    744,745.96/1,117,117.30 = 271,237.80/x
  3. Step 3: Cross multiply
    744,745.96x = 1,117,117.30 × 271,237.80
  4. Step 4: Simplify right side
    744,745.96x = 303,004,438,793.94
  5. Step 5: Solve for x
    x = 303,004,438,793.94/744,745.96
  6. Step 6: Final answer
    x = 406,856.10

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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.