Home / 982,489.70-1,355,821.89-552,768.80

Finding the Fourth Proportional to 982,489.70, 1,355,821.89 and 552,768.80

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Solution

The fourth proportional to 982,489.70, 1,355,821.89 and 552,768.80 is: 762,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,489.70 : 1,355,821.89 = 552,768.80 : x
  2. Step 2: Convert to fraction form
    982,489.70/1,355,821.89 = 552,768.80/x
  3. Step 3: Cross multiply
    982,489.70x = 1,355,821.89 × 552,768.80
  4. Step 4: Simplify right side
    982,489.70x = 749,456,039,149.03
  5. Step 5: Solve for x
    x = 749,456,039,149.03/982,489.70
  6. Step 6: Final answer
    x = 762,813.13

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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.