Home / 735,276.30-1,102,914.45-419,765.10

Finding the Fourth Proportional to 735,276.30, 1,102,914.45 and 419,765.10

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Solution

The fourth proportional to 735,276.30, 1,102,914.45 and 419,765.10 is: 629,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,276.30 : 1,102,914.45 = 419,765.10 : x
  2. Step 2: Convert to fraction form
    735,276.30/1,102,914.45 = 419,765.10/x
  3. Step 3: Cross multiply
    735,276.30x = 1,102,914.45 × 419,765.10
  4. Step 4: Simplify right side
    735,276.30x = 462,964,994,395.70
  5. Step 5: Solve for x
    x = 462,964,994,395.70/735,276.30
  6. Step 6: Final answer
    x = 629,647.65

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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.