Home / 534,438.20-737,525.61-289,425.54

Finding the Fourth Proportional to 534,438.20, 737,525.61 and 289,425.54

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Solution

The fourth proportional to 534,438.20, 737,525.61 and 289,425.54 is: 399,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,438.20 : 737,525.61 = 289,425.54 : x
  2. Step 2: Convert to fraction form
    534,438.20/737,525.61 = 289,425.54/x
  3. Step 3: Cross multiply
    534,438.20x = 737,525.61 × 289,425.54
  4. Step 4: Simplify right side
    534,438.20x = 213,458,747,938.08
  5. Step 5: Solve for x
    x = 213,458,747,938.08/534,438.20
  6. Step 6: Final answer
    x = 399,407.73

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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.