Home / 440,922.69-661,313.23-120,999.84

Finding the Fourth Proportional to 440,922.69, 661,313.23 and 120,999.84

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Solution

The fourth proportional to 440,922.69, 661,313.23 and 120,999.84 is: 181,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,922.69 : 661,313.23 = 120,999.84 : x
  2. Step 2: Convert to fraction form
    440,922.69/661,313.23 = 120,999.84/x
  3. Step 3: Cross multiply
    440,922.69x = 661,313.23 × 120,999.84
  4. Step 4: Simplify right side
    440,922.69x = 80,018,795,019.88
  5. Step 5: Solve for x
    x = 80,018,795,019.88/440,922.69
  6. Step 6: Final answer
    x = 181,480.33

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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.