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Finding the Fourth Proportional to 552,449.20, 828,673.80 and 286,291.30

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Solution

The fourth proportional to 552,449.20, 828,673.80 and 286,291.30 is: 429,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,449.20 : 828,673.80 = 286,291.30 : x
  2. Step 2: Convert to fraction form
    552,449.20/828,673.80 = 286,291.30/x
  3. Step 3: Cross multiply
    552,449.20x = 828,673.80 × 286,291.30
  4. Step 4: Simplify right side
    552,449.20x = 237,242,099,477.94
  5. Step 5: Solve for x
    x = 237,242,099,477.94/552,449.20
  6. Step 6: Final answer
    x = 429,436.95

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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.