Home / 669,320.14-1,003,961.06-189,546.82

Finding the Fourth Proportional to 669,320.14, 1,003,961.06 and 189,546.82

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Solution

The fourth proportional to 669,320.14, 1,003,961.06 and 189,546.82 is: 284,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,320.14 : 1,003,961.06 = 189,546.82 : x
  2. Step 2: Convert to fraction form
    669,320.14/1,003,961.06 = 189,546.82/x
  3. Step 3: Cross multiply
    669,320.14x = 1,003,961.06 × 189,546.82
  4. Step 4: Simplify right side
    669,320.14x = 190,297,626,326.83
  5. Step 5: Solve for x
    x = 190,297,626,326.83/669,320.14
  6. Step 6: Final answer
    x = 284,314.81

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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.