Home / 487,933.89-732,738.37-299,500.75

Finding the Fourth Proportional to 487,933.89, 732,738.37 and 299,500.75

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Solution

The fourth proportional to 487,933.89, 732,738.37 and 299,500.75 is: 449,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,933.89 : 732,738.37 = 299,500.75 : x
  2. Step 2: Convert to fraction form
    487,933.89/732,738.37 = 299,500.75/x
  3. Step 3: Cross multiply
    487,933.89x = 732,738.37 × 299,500.75
  4. Step 4: Simplify right side
    487,933.89x = 219,455,691,368.78
  5. Step 5: Solve for x
    x = 219,455,691,368.78/487,933.89
  6. Step 6: Final answer
    x = 449,765.22

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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.