Home / 454,830.20-680,933.10-277,683.20

Finding the Fourth Proportional to 454,830.20, 680,933.10 and 277,683.20

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Solution

The fourth proportional to 454,830.20, 680,933.10 and 277,683.20 is: 415,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830.20 : 680,933.10 = 277,683.20 : x
  2. Step 2: Convert to fraction form
    454,830.20/680,933.10 = 277,683.20/x
  3. Step 3: Cross multiply
    454,830.20x = 680,933.10 × 277,683.20
  4. Step 4: Simplify right side
    454,830.20x = 189,083,682,193.92
  5. Step 5: Solve for x
    x = 189,083,682,193.92/454,830.20
  6. Step 6: Final answer
    x = 415,723.67

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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.