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Finding the Fourth Proportional to 551,707.70, 827,561.55 and 299,765.30

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Solution

The fourth proportional to 551,707.70, 827,561.55 and 299,765.30 is: 449,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,707.70 : 827,561.55 = 299,765.30 : x
  2. Step 2: Convert to fraction form
    551,707.70/827,561.55 = 299,765.30/x
  3. Step 3: Cross multiply
    551,707.70x = 827,561.55 × 299,765.30
  4. Step 4: Simplify right side
    551,707.70x = 248,074,236,304.22
  5. Step 5: Solve for x
    x = 248,074,236,304.22/551,707.70
  6. Step 6: Final answer
    x = 449,647.95

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Similar ratio
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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.