Home / 551,748.80-827,623.20-219,324.80

Finding the Fourth Proportional to 551,748.80, 827,623.20 and 219,324.80

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Solution

The fourth proportional to 551,748.80, 827,623.20 and 219,324.80 is: 328,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,748.80 : 827,623.20 = 219,324.80 : x
  2. Step 2: Convert to fraction form
    551,748.80/827,623.20 = 219,324.80/x
  3. Step 3: Cross multiply
    551,748.80x = 827,623.20 × 219,324.80
  4. Step 4: Simplify right side
    551,748.80x = 181,518,292,815.36
  5. Step 5: Solve for x
    x = 181,518,292,815.36/551,748.80
  6. Step 6: Final answer
    x = 328,987.20

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Similar ratio
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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.