Home / 735,311.18-1,102,622.30-308,755.96

Finding the Fourth Proportional to 735,311.18, 1,102,622.30 and 308,755.96

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Solution

The fourth proportional to 735,311.18, 1,102,622.30 and 308,755.96 is: 462,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,311.18 : 1,102,622.30 = 308,755.96 : x
  2. Step 2: Convert to fraction form
    735,311.18/1,102,622.30 = 308,755.96/x
  3. Step 3: Cross multiply
    735,311.18x = 1,102,622.30 × 308,755.96
  4. Step 4: Simplify right side
    735,311.18x = 340,441,206,753.91
  5. Step 5: Solve for x
    x = 340,441,206,753.91/735,311.18
  6. Step 6: Final answer
    x = 462,989.30

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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.