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Finding the Fourth Proportional to 605,200.80, 908,092.80 and 427,324.80

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Solution

The fourth proportional to 605,200.80, 908,092.80 and 427,324.80 is: 641,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,200.80 : 908,092.80 = 427,324.80 : x
  2. Step 2: Convert to fraction form
    605,200.80/908,092.80 = 427,324.80/x
  3. Step 3: Cross multiply
    605,200.80x = 908,092.80 × 427,324.80
  4. Step 4: Simplify right side
    605,200.80x = 388,050,574,141.44
  5. Step 5: Solve for x
    x = 388,050,574,141.44/605,200.80
  6. Step 6: Final answer
    x = 641,193.10

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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.