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Finding the Fourth Proportional to 552,548.20, 828,336.30 and 374,477.80

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Solution

The fourth proportional to 552,548.20, 828,336.30 and 374,477.80 is: 561,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,548.20 : 828,336.30 = 374,477.80 : x
  2. Step 2: Convert to fraction form
    552,548.20/828,336.30 = 374,477.80/x
  3. Step 3: Cross multiply
    552,548.20x = 828,336.30 × 374,477.80
  4. Step 4: Simplify right side
    552,548.20x = 310,193,555,284.14
  5. Step 5: Solve for x
    x = 310,193,555,284.14/552,548.20
  6. Step 6: Final answer
    x = 561,387.32

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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.