Home / 982,642.82-1,473,982.44-308,711.48

Finding the Fourth Proportional to 982,642.82, 1,473,982.44 and 308,711.48

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Solution

The fourth proportional to 982,642.82, 1,473,982.44 and 308,711.48 is: 463,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,642.82 : 1,473,982.44 = 308,711.48 : x
  2. Step 2: Convert to fraction form
    982,642.82/1,473,982.44 = 308,711.48/x
  3. Step 3: Cross multiply
    982,642.82x = 1,473,982.44 × 308,711.48
  4. Step 4: Simplify right side
    982,642.82x = 455,035,300,546.41
  5. Step 5: Solve for x
    x = 455,035,300,546.41/982,642.82
  6. Step 6: Final answer
    x = 463,072.94

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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.