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Finding the Fourth Proportional to 447,436.71, 617,462.73 and 246,232.71

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Solution

The fourth proportional to 447,436.71, 617,462.73 and 246,232.71 is: 339,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,436.71 : 617,462.73 = 246,232.71 : x
  2. Step 2: Convert to fraction form
    447,436.71/617,462.73 = 246,232.71/x
  3. Step 3: Cross multiply
    447,436.71x = 617,462.73 × 246,232.71
  4. Step 4: Simplify right side
    447,436.71x = 152,039,521,331.90
  5. Step 5: Solve for x
    x = 152,039,521,331.90/447,436.71
  6. Step 6: Final answer
    x = 339,801.18

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1.5x scale

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.