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Finding the Fourth Proportional to 629,721.60, 946,425.60 and 548,620.80

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Solution

The fourth proportional to 629,721.60, 946,425.60 and 548,620.80 is: 824,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,721.60 : 946,425.60 = 548,620.80 : x
  2. Step 2: Convert to fraction form
    629,721.60/946,425.60 = 548,620.80/x
  3. Step 3: Cross multiply
    629,721.60x = 946,425.60 × 548,620.80
  4. Step 4: Simplify right side
    629,721.60x = 519,228,769,812.48
  5. Step 5: Solve for x
    x = 519,228,769,812.48/629,721.60
  6. Step 6: Final answer
    x = 824,537.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.