Home / 499,619.08-689,490.80-273,264.56

Finding the Fourth Proportional to 499,619.08, 689,490.80 and 273,264.56

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Solution

The fourth proportional to 499,619.08, 689,490.80 and 273,264.56 is: 377,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,619.08 : 689,490.80 = 273,264.56 : x
  2. Step 2: Convert to fraction form
    499,619.08/689,490.80 = 273,264.56/x
  3. Step 3: Cross multiply
    499,619.08x = 689,490.80 × 273,264.56
  4. Step 4: Simplify right side
    499,619.08x = 188,413,400,086.05
  5. Step 5: Solve for x
    x = 188,413,400,086.05/499,619.08
  6. Step 6: Final answer
    x = 377,114.10

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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.