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Finding the Fourth Proportional to 551,446.90, 827,170.35 and 362,490.10

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Solution

The fourth proportional to 551,446.90, 827,170.35 and 362,490.10 is: 543,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,446.90 : 827,170.35 = 362,490.10 : x
  2. Step 2: Convert to fraction form
    551,446.90/827,170.35 = 362,490.10/x
  3. Step 3: Cross multiply
    551,446.90x = 827,170.35 × 362,490.10
  4. Step 4: Simplify right side
    551,446.90x = 299,841,062,888.54
  5. Step 5: Solve for x
    x = 299,841,062,888.54/551,446.90
  6. Step 6: Final answer
    x = 543,735.15

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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.