Home / 846,200.45-1,269,487.55-313,721.54

Finding the Fourth Proportional to 846,200.45, 1,269,487.55 and 313,721.54

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Solution

The fourth proportional to 846,200.45, 1,269,487.55 and 313,721.54 is: 470,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,200.45 : 1,269,487.55 = 313,721.54 : x
  2. Step 2: Convert to fraction form
    846,200.45/1,269,487.55 = 313,721.54/x
  3. Step 3: Cross multiply
    846,200.45x = 1,269,487.55 × 313,721.54
  4. Step 4: Simplify right side
    846,200.45x = 398,265,588,394.27
  5. Step 5: Solve for x
    x = 398,265,588,394.27/846,200.45
  6. Step 6: Final answer
    x = 470,651.59

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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.