Home / 447,717.99-617,845.02-243,766.57

Finding the Fourth Proportional to 447,717.99, 617,845.02 and 243,766.57

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Solution

The fourth proportional to 447,717.99, 617,845.02 and 243,766.57 is: 336,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,717.99 : 617,845.02 = 243,766.57 : x
  2. Step 2: Convert to fraction form
    447,717.99/617,845.02 = 243,766.57/x
  3. Step 3: Cross multiply
    447,717.99x = 617,845.02 × 243,766.57
  4. Step 4: Simplify right side
    447,717.99x = 150,609,960,381.79
  5. Step 5: Solve for x
    x = 150,609,960,381.79/447,717.99
  6. Step 6: Final answer
    x = 336,394.71

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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.