Home / 447,849.46-617,986.56-275,740.12

Finding the Fourth Proportional to 447,849.46, 617,986.56 and 275,740.12

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Solution

The fourth proportional to 447,849.46, 617,986.56 and 275,740.12 is: 380,493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,849.46 : 617,986.56 = 275,740.12 : x
  2. Step 2: Convert to fraction form
    447,849.46/617,986.56 = 275,740.12/x
  3. Step 3: Cross multiply
    447,849.46x = 617,986.56 × 275,740.12
  4. Step 4: Simplify right side
    447,849.46x = 170,403,688,212.79
  5. Step 5: Solve for x
    x = 170,403,688,212.79/447,849.46
  6. Step 6: Final answer
    x = 380,493.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.