Home / 982,489.64-1,355,821.82-552,768.74

Finding the Fourth Proportional to 982,489.64, 1,355,821.82 and 552,768.74

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Solution

The fourth proportional to 982,489.64, 1,355,821.82 and 552,768.74 is: 762,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,489.64 : 1,355,821.82 = 552,768.74 : x
  2. Step 2: Convert to fraction form
    982,489.64/1,355,821.82 = 552,768.74/x
  3. Step 3: Cross multiply
    982,489.64x = 1,355,821.82 × 552,768.74
  4. Step 4: Simplify right side
    982,489.64x = 749,455,919,105.91
  5. Step 5: Solve for x
    x = 749,455,919,105.91/982,489.64
  6. Step 6: Final answer
    x = 762,813.05

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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.