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Finding the Fourth Proportional to 447,554.79, 617,625.32 and 246,350.79

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Solution

The fourth proportional to 447,554.79, 617,625.32 and 246,350.79 is: 339,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,554.79 : 617,625.32 = 246,350.79 : x
  2. Step 2: Convert to fraction form
    447,554.79/617,625.32 = 246,350.79/x
  3. Step 3: Cross multiply
    447,554.79x = 617,625.32 × 246,350.79
  4. Step 4: Simplify right side
    447,554.79x = 152,152,484,274.25
  5. Step 5: Solve for x
    x = 152,152,484,274.25/447,554.79
  6. Step 6: Final answer
    x = 339,963.93

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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.