Home / 454,329.70-680,911.35-276,648.10

Finding the Fourth Proportional to 454,329.70, 680,911.35 and 276,648.10

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Solution

The fourth proportional to 454,329.70, 680,911.35 and 276,648.10 is: 414,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,329.70 : 680,911.35 = 276,648.10 : x
  2. Step 2: Convert to fraction form
    454,329.70/680,911.35 = 276,648.10/x
  3. Step 3: Cross multiply
    454,329.70x = 680,911.35 × 276,648.10
  4. Step 4: Simplify right side
    454,329.70x = 188,372,831,245.94
  5. Step 5: Solve for x
    x = 188,372,831,245.94/454,329.70
  6. Step 6: Final answer
    x = 414,617.03

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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.