Home / 440,221.04-659,684.28-260,121.32

Finding the Fourth Proportional to 440,221.04, 659,684.28 and 260,121.32

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Solution

The fourth proportional to 440,221.04, 659,684.28 and 260,121.32 is: 389,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,221.04 : 659,684.28 = 260,121.32 : x
  2. Step 2: Convert to fraction form
    440,221.04/659,684.28 = 260,121.32/x
  3. Step 3: Cross multiply
    440,221.04x = 659,684.28 × 260,121.32
  4. Step 4: Simplify right side
    440,221.04x = 171,597,945,696.85
  5. Step 5: Solve for x
    x = 171,597,945,696.85/440,221.04
  6. Step 6: Final answer
    x = 389,799.51

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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.