Home / 439,236.40-658,660.20-202,457.20

Finding the Fourth Proportional to 439,236.40, 658,660.20 and 202,457.20

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Solution

The fourth proportional to 439,236.40, 658,660.20 and 202,457.20 is: 303,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,236.40 : 658,660.20 = 202,457.20 : x
  2. Step 2: Convert to fraction form
    439,236.40/658,660.20 = 202,457.20/x
  3. Step 3: Cross multiply
    439,236.40x = 658,660.20 × 202,457.20
  4. Step 4: Simplify right side
    439,236.40x = 133,350,499,843.44
  5. Step 5: Solve for x
    x = 133,350,499,843.44/439,236.40
  6. Step 6: Final answer
    x = 303,596.20

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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.