Home / 499,350.26-689,103.24-272,995.76

Finding the Fourth Proportional to 499,350.26, 689,103.24 and 272,995.76

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Solution

The fourth proportional to 499,350.26, 689,103.24 and 272,995.76 is: 376,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,350.26 : 689,103.24 = 272,995.76 : x
  2. Step 2: Convert to fraction form
    499,350.26/689,103.24 = 272,995.76/x
  3. Step 3: Cross multiply
    499,350.26x = 689,103.24 × 272,995.76
  4. Step 4: Simplify right side
    499,350.26x = 188,122,262,722.26
  5. Step 5: Solve for x
    x = 188,122,262,722.26/499,350.26
  6. Step 6: Final answer
    x = 376,734.08

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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.