Home / 499,179.11-688,866.93-272,824.61

Finding the Fourth Proportional to 499,179.11, 688,866.93 and 272,824.61

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Solution

The fourth proportional to 499,179.11, 688,866.93 and 272,824.61 is: 376,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,179.11 : 688,866.93 = 272,824.61 : x
  2. Step 2: Convert to fraction form
    499,179.11/688,866.93 = 272,824.61/x
  3. Step 3: Cross multiply
    499,179.11x = 688,866.93 × 272,824.61
  4. Step 4: Simplify right side
    499,179.11x = 187,939,848,074.81
  5. Step 5: Solve for x
    x = 187,939,848,074.81/499,179.11
  6. Step 6: Final answer
    x = 376,497.83

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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.