Home / 499,917.98-689,886.87-273,563.50

Finding the Fourth Proportional to 499,917.98, 689,886.87 and 273,563.50

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Solution

The fourth proportional to 499,917.98, 689,886.87 and 273,563.50 is: 377,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,917.98 : 689,886.87 = 273,563.50 : x
  2. Step 2: Convert to fraction form
    499,917.98/689,886.87 = 273,563.50/x
  3. Step 3: Cross multiply
    499,917.98x = 689,886.87 × 273,563.50
  4. Step 4: Simplify right side
    499,917.98x = 188,727,866,761.25
  5. Step 5: Solve for x
    x = 188,727,866,761.25/499,917.98
  6. Step 6: Final answer
    x = 377,517.66

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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.