Home / 534,734.57-737,933.70-308,380.07

Finding the Fourth Proportional to 534,734.57, 737,933.70 and 308,380.07

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Solution

The fourth proportional to 534,734.57, 737,933.70 and 308,380.07 is: 425,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,734.57 : 737,933.70 = 308,380.07 : x
  2. Step 2: Convert to fraction form
    534,734.57/737,933.70 = 308,380.07/x
  3. Step 3: Cross multiply
    534,734.57x = 737,933.70 × 308,380.07
  4. Step 4: Simplify right side
    534,734.57x = 227,564,042,371.69
  5. Step 5: Solve for x
    x = 227,564,042,371.69/534,734.57
  6. Step 6: Final answer
    x = 425,564.49

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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.