Home / 731,625.70-1,099,771.35-689,635.30

Finding the Fourth Proportional to 731,625.70, 1,099,771.35 and 689,635.30

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Solution

The fourth proportional to 731,625.70, 1,099,771.35 and 689,635.30 is: 1,036,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,625.70 : 1,099,771.35 = 689,635.30 : x
  2. Step 2: Convert to fraction form
    731,625.70/1,099,771.35 = 689,635.30/x
  3. Step 3: Cross multiply
    731,625.70x = 1,099,771.35 × 689,635.30
  4. Step 4: Simplify right side
    731,625.70x = 758,441,144,888.66
  5. Step 5: Solve for x
    x = 758,441,144,888.66/731,625.70
  6. Step 6: Final answer
    x = 1,036,651.86

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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.