Home / 678,282.52-1,016,649.81-273,215.34

Finding the Fourth Proportional to 678,282.52, 1,016,649.81 and 273,215.34

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Solution

The fourth proportional to 678,282.52, 1,016,649.81 and 273,215.34 is: 409,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,282.52 : 1,016,649.81 = 273,215.34 : x
  2. Step 2: Convert to fraction form
    678,282.52/1,016,649.81 = 273,215.34/x
  3. Step 3: Cross multiply
    678,282.52x = 1,016,649.81 × 273,215.34
  4. Step 4: Simplify right side
    678,282.52x = 277,764,323,500.09
  5. Step 5: Solve for x
    x = 277,764,323,500.09/678,282.52
  6. Step 6: Final answer
    x = 409,511.25

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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.