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Finding the Fourth Proportional to 552,268.80, 828,403.20 and 286,548.30

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Solution

The fourth proportional to 552,268.80, 828,403.20 and 286,548.30 is: 429,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,268.80 : 828,403.20 = 286,548.30 : x
  2. Step 2: Convert to fraction form
    552,268.80/828,403.20 = 286,548.30/x
  3. Step 3: Cross multiply
    552,268.80x = 828,403.20 × 286,548.30
  4. Step 4: Simplify right side
    552,268.80x = 237,377,528,674.56
  5. Step 5: Solve for x
    x = 237,377,528,674.56/552,268.80
  6. Step 6: Final answer
    x = 429,822.45

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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.