Home / 441,561.03-661,941.63-306,688.79

Finding the Fourth Proportional to 441,561.03, 661,941.63 and 306,688.79

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Solution

The fourth proportional to 441,561.03, 661,941.63 and 306,688.79 is: 459,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,561.03 : 661,941.63 = 306,688.79 : x
  2. Step 2: Convert to fraction form
    441,561.03/661,941.63 = 306,688.79/x
  3. Step 3: Cross multiply
    441,561.03x = 661,941.63 × 306,688.79
  4. Step 4: Simplify right side
    441,561.03x = 203,010,074,245.62
  5. Step 5: Solve for x
    x = 203,010,074,245.62/441,561.03
  6. Step 6: Final answer
    x = 459,755.41

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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.