Home / 1,007,409.09-1,390,249.46-548,548.80

Finding the Fourth Proportional to 1,007,409.09, 1,390,249.46 and 548,548.80

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Solution

The fourth proportional to 1,007,409.09, 1,390,249.46 and 548,548.80 is: 757,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,409.09 : 1,390,249.46 = 548,548.80 : x
  2. Step 2: Convert to fraction form
    1,007,409.09/1,390,249.46 = 548,548.80/x
  3. Step 3: Cross multiply
    1,007,409.09x = 1,390,249.46 × 548,548.80
  4. Step 4: Simplify right side
    1,007,409.09x = 762,619,670,240.90
  5. Step 5: Solve for x
    x = 762,619,670,240.90/1,007,409.09
  6. Step 6: Final answer
    x = 757,010.91

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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.