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Finding the Fourth Proportional to 537,175.20, 804,790.80 and 425,589.60

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Solution

The fourth proportional to 537,175.20, 804,790.80 and 425,589.60 is: 637,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,175.20 : 804,790.80 = 425,589.60 : x
  2. Step 2: Convert to fraction form
    537,175.20/804,790.80 = 425,589.60/x
  3. Step 3: Cross multiply
    537,175.20x = 804,790.80 × 425,589.60
  4. Step 4: Simplify right side
    537,175.20x = 342,510,594,655.68
  5. Step 5: Solve for x
    x = 342,510,594,655.68/537,175.20
  6. Step 6: Final answer
    x = 637,614.31

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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.