Home / 735,107.20-1,101,841.60-419,715.20

Finding the Fourth Proportional to 735,107.20, 1,101,841.60 and 419,715.20

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Solution

The fourth proportional to 735,107.20, 1,101,841.60 and 419,715.20 is: 629,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,107.20 : 1,101,841.60 = 419,715.20 : x
  2. Step 2: Convert to fraction form
    735,107.20/1,101,841.60 = 419,715.20/x
  3. Step 3: Cross multiply
    735,107.20x = 1,101,841.60 × 419,715.20
  4. Step 4: Simplify right side
    735,107.20x = 462,459,667,512.32
  5. Step 5: Solve for x
    x = 462,459,667,512.32/735,107.20
  6. Step 6: Final answer
    x = 629,105.07

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1.5x scale

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.