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Finding the Fourth Proportional to 551,478.40, 827,217.60 and 362,521.60

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Solution

The fourth proportional to 551,478.40, 827,217.60 and 362,521.60 is: 543,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,478.40 : 827,217.60 = 362,521.60 : x
  2. Step 2: Convert to fraction form
    551,478.40/827,217.60 = 362,521.60/x
  3. Step 3: Cross multiply
    551,478.40x = 827,217.60 × 362,521.60
  4. Step 4: Simplify right side
    551,478.40x = 299,884,247,900.16
  5. Step 5: Solve for x
    x = 299,884,247,900.16/551,478.40
  6. Step 6: Final answer
    x = 543,782.40

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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.