Home / 739,858.20-1,109,121.18-266,210.50

Finding the Fourth Proportional to 739,858.20, 1,109,121.18 and 266,210.50

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Solution

The fourth proportional to 739,858.20, 1,109,121.18 and 266,210.50 is: 399,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,858.20 : 1,109,121.18 = 266,210.50 : x
  2. Step 2: Convert to fraction form
    739,858.20/1,109,121.18 = 266,210.50/x
  3. Step 3: Cross multiply
    739,858.20x = 1,109,121.18 × 266,210.50
  4. Step 4: Simplify right side
    739,858.20x = 295,259,703,888.39
  5. Step 5: Solve for x
    x = 295,259,703,888.39/739,858.20
  6. Step 6: Final answer
    x = 399,076.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.