Home / 447,736.52-617,861.04-243,784.16

Finding the Fourth Proportional to 447,736.52, 617,861.04 and 243,784.16

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Solution

The fourth proportional to 447,736.52, 617,861.04 and 243,784.16 is: 336,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,736.52 : 617,861.04 = 243,784.16 : x
  2. Step 2: Convert to fraction form
    447,736.52/617,861.04 = 243,784.16/x
  3. Step 3: Cross multiply
    447,736.52x = 617,861.04 × 243,784.16
  4. Step 4: Simplify right side
    447,736.52x = 150,624,734,633.13
  5. Step 5: Solve for x
    x = 150,624,734,633.13/447,736.52
  6. Step 6: Final answer
    x = 336,413.78

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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.