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Finding the Fourth Proportional to 629,714.80, 944,485.80 and 208,946.80

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Solution

The fourth proportional to 629,714.80, 944,485.80 and 208,946.80 is: 313,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,714.80 : 944,485.80 = 208,946.80 : x
  2. Step 2: Convert to fraction form
    629,714.80/944,485.80 = 208,946.80/x
  3. Step 3: Cross multiply
    629,714.80x = 944,485.80 × 208,946.80
  4. Step 4: Simplify right side
    629,714.80x = 197,347,285,555.44
  5. Step 5: Solve for x
    x = 197,347,285,555.44/629,714.80
  6. Step 6: Final answer
    x = 313,391.53

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Double scale
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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.