Home / 561,202.40-840,880.20-324,131.60

Finding the Fourth Proportional to 561,202.40, 840,880.20 and 324,131.60

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Solution

The fourth proportional to 561,202.40, 840,880.20 and 324,131.60 is: 485,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,202.40 : 840,880.20 = 324,131.60 : x
  2. Step 2: Convert to fraction form
    561,202.40/840,880.20 = 324,131.60/x
  3. Step 3: Cross multiply
    561,202.40x = 840,880.20 × 324,131.60
  4. Step 4: Simplify right side
    561,202.40x = 272,555,844,634.32
  5. Step 5: Solve for x
    x = 272,555,844,634.32/561,202.40
  6. Step 6: Final answer
    x = 485,664.08

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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.