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Finding the Fourth Proportional to 551,479.20, 827,218.80 and 362,522.40

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Solution

The fourth proportional to 551,479.20, 827,218.80 and 362,522.40 is: 543,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,479.20 : 827,218.80 = 362,522.40 : x
  2. Step 2: Convert to fraction form
    551,479.20/827,218.80 = 362,522.40/x
  3. Step 3: Cross multiply
    551,479.20x = 827,218.80 × 362,522.40
  4. Step 4: Simplify right side
    551,479.20x = 299,885,344,701.12
  5. Step 5: Solve for x
    x = 299,885,344,701.12/551,479.20
  6. Step 6: Final answer
    x = 543,783.60

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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.