Home / 773,999.90-1,160,999.85-691,331.30

Finding the Fourth Proportional to 773,999.90, 1,160,999.85 and 691,331.30

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Solution

The fourth proportional to 773,999.90, 1,160,999.85 and 691,331.30 is: 1,036,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,999.90 : 1,160,999.85 = 691,331.30 : x
  2. Step 2: Convert to fraction form
    773,999.90/1,160,999.85 = 691,331.30/x
  3. Step 3: Cross multiply
    773,999.90x = 1,160,999.85 × 691,331.30
  4. Step 4: Simplify right side
    773,999.90x = 802,635,535,600.31
  5. Step 5: Solve for x
    x = 802,635,535,600.31/773,999.90
  6. Step 6: Final answer
    x = 1,036,996.95

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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.