Home / 800,358.21-1,200,539.34-327,043.53

Finding the Fourth Proportional to 800,358.21, 1,200,539.34 and 327,043.53

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Solution

The fourth proportional to 800,358.21, 1,200,539.34 and 327,043.53 is: 490,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,358.21 : 1,200,539.34 = 327,043.53 : x
  2. Step 2: Convert to fraction form
    800,358.21/1,200,539.34 = 327,043.53/x
  3. Step 3: Cross multiply
    800,358.21x = 1,200,539.34 × 327,043.53
  4. Step 4: Simplify right side
    800,358.21x = 392,628,623,657.47
  5. Step 5: Solve for x
    x = 392,628,623,657.47/800,358.21
  6. Step 6: Final answer
    x = 490,566.12

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1.5x scale

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.