Home / 982,456.20-1,355,787.45-552,736.62

Finding the Fourth Proportional to 982,456.20, 1,355,787.45 and 552,736.62

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Solution

The fourth proportional to 982,456.20, 1,355,787.45 and 552,736.62 is: 762,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,456.20 : 1,355,787.45 = 552,736.62 : x
  2. Step 2: Convert to fraction form
    982,456.20/1,355,787.45 = 552,736.62/x
  3. Step 3: Cross multiply
    982,456.20x = 1,355,787.45 × 552,736.62
  4. Step 4: Simplify right side
    982,456.20x = 749,393,372,551.42
  5. Step 5: Solve for x
    x = 749,393,372,551.42/982,456.20
  6. Step 6: Final answer
    x = 762,775.35

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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.