Home / 667,891.77-1,001,604.37-401,699.85

Finding the Fourth Proportional to 667,891.77, 1,001,604.37 and 401,699.85

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Solution

The fourth proportional to 667,891.77, 1,001,604.37 and 401,699.85 is: 602,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,891.77 : 1,001,604.37 = 401,699.85 : x
  2. Step 2: Convert to fraction form
    667,891.77/1,001,604.37 = 401,699.85/x
  3. Step 3: Cross multiply
    667,891.77x = 1,001,604.37 × 401,699.85
  4. Step 4: Simplify right side
    667,891.77x = 402,344,325,188.35
  5. Step 5: Solve for x
    x = 402,344,325,188.35/667,891.77
  6. Step 6: Final answer
    x = 602,409.47

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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.