Home / 682,225.89-1,023,683.90-454,676.78

Finding the Fourth Proportional to 682,225.89, 1,023,683.90 and 454,676.78

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Solution

The fourth proportional to 682,225.89, 1,023,683.90 and 454,676.78 is: 682,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,225.89 : 1,023,683.90 = 454,676.78 : x
  2. Step 2: Convert to fraction form
    682,225.89/1,023,683.90 = 454,676.78/x
  3. Step 3: Cross multiply
    682,225.89x = 1,023,683.90 × 454,676.78
  4. Step 4: Simplify right side
    682,225.89x = 465,445,291,998.04
  5. Step 5: Solve for x
    x = 465,445,291,998.04/682,225.89
  6. Step 6: Final answer
    x = 682,245.13

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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.