Home / 733,634.70-1,100,998.80-378,465.90

Finding the Fourth Proportional to 733,634.70, 1,100,998.80 and 378,465.90

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Solution

The fourth proportional to 733,634.70, 1,100,998.80 and 378,465.90 is: 567,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,634.70 : 1,100,998.80 = 378,465.90 : x
  2. Step 2: Convert to fraction form
    733,634.70/1,100,998.80 = 378,465.90/x
  3. Step 3: Cross multiply
    733,634.70x = 1,100,998.80 × 378,465.90
  4. Step 4: Simplify right side
    733,634.70x = 416,690,501,740.92
  5. Step 5: Solve for x
    x = 416,690,501,740.92/733,634.70
  6. Step 6: Final answer
    x = 567,980.91

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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.