Home / 499,557.06-689,387.27-270,112.71

Finding the Fourth Proportional to 499,557.06, 689,387.27 and 270,112.71

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Solution

The fourth proportional to 499,557.06, 689,387.27 and 270,112.71 is: 372,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,557.06 : 689,387.27 = 270,112.71 : x
  2. Step 2: Convert to fraction form
    499,557.06/689,387.27 = 270,112.71/x
  3. Step 3: Cross multiply
    499,557.06x = 689,387.27 × 270,112.71
  4. Step 4: Simplify right side
    499,557.06x = 186,212,263,739.20
  5. Step 5: Solve for x
    x = 186,212,263,739.20/499,557.06
  6. Step 6: Final answer
    x = 372,754.74

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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.