Home / 439,834.80-659,949.06-252,846.30

Finding the Fourth Proportional to 439,834.80, 659,949.06 and 252,846.30

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Solution

The fourth proportional to 439,834.80, 659,949.06 and 252,846.30 is: 379,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,834.80 : 659,949.06 = 252,846.30 : x
  2. Step 2: Convert to fraction form
    439,834.80/659,949.06 = 252,846.30/x
  3. Step 3: Cross multiply
    439,834.80x = 659,949.06 × 252,846.30
  4. Step 4: Simplify right side
    439,834.80x = 166,865,678,009.48
  5. Step 5: Solve for x
    x = 166,865,678,009.48/439,834.80
  6. Step 6: Final answer
    x = 379,382.62

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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.