Home / 447,720.93-617,834.22-243,771.24

Finding the Fourth Proportional to 447,720.93, 617,834.22 and 243,771.24

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Solution

The fourth proportional to 447,720.93, 617,834.22 and 243,771.24 is: 336,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,720.93 : 617,834.22 = 243,771.24 : x
  2. Step 2: Convert to fraction form
    447,720.93/617,834.22 = 243,771.24/x
  3. Step 3: Cross multiply
    447,720.93x = 617,834.22 × 243,771.24
  4. Step 4: Simplify right side
    447,720.93x = 150,610,213,923.83
  5. Step 5: Solve for x
    x = 150,610,213,923.83/447,720.93
  6. Step 6: Final answer
    x = 336,393.06

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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.