Home / 781,832.96-1,173,099.36-449,408.96

Finding the Fourth Proportional to 781,832.96, 1,173,099.36 and 449,408.96

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Solution

The fourth proportional to 781,832.96, 1,173,099.36 and 449,408.96 is: 674,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,832.96 : 1,173,099.36 = 449,408.96 : x
  2. Step 2: Convert to fraction form
    781,832.96/1,173,099.36 = 449,408.96/x
  3. Step 3: Cross multiply
    781,832.96x = 1,173,099.36 × 449,408.96
  4. Step 4: Simplify right side
    781,832.96x = 527,201,363,354.27
  5. Step 5: Solve for x
    x = 527,201,363,354.27/781,832.96
  6. Step 6: Final answer
    x = 674,314.58

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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.