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Finding the Fourth Proportional to 551,477.70, 827,216.55 and 362,520.90

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Solution

The fourth proportional to 551,477.70, 827,216.55 and 362,520.90 is: 543,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,477.70 : 827,216.55 = 362,520.90 : x
  2. Step 2: Convert to fraction form
    551,477.70/827,216.55 = 362,520.90/x
  3. Step 3: Cross multiply
    551,477.70x = 827,216.55 × 362,520.90
  4. Step 4: Simplify right side
    551,477.70x = 299,883,288,200.90
  5. Step 5: Solve for x
    x = 299,883,288,200.90/551,477.70
  6. Step 6: Final answer
    x = 543,781.35

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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.