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Finding the Fourth Proportional to 534,379.92, 737,445.24 and 289,367.34

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Solution

The fourth proportional to 534,379.92, 737,445.24 and 289,367.34 is: 399,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,379.92 : 737,445.24 = 289,367.34 : x
  2. Step 2: Convert to fraction form
    534,379.92/737,445.24 = 289,367.34/x
  3. Step 3: Cross multiply
    534,379.92x = 737,445.24 × 289,367.34
  4. Step 4: Simplify right side
    534,379.92x = 213,392,567,494.46
  5. Step 5: Solve for x
    x = 213,392,567,494.46/534,379.92
  6. Step 6: Final answer
    x = 399,327.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.