Home / 668,342.22-1,003,011.45-268,986.30

Finding the Fourth Proportional to 668,342.22, 1,003,011.45 and 268,986.30

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Solution

The fourth proportional to 668,342.22, 1,003,011.45 and 268,986.30 is: 403,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,342.22 : 1,003,011.45 = 268,986.30 : x
  2. Step 2: Convert to fraction form
    668,342.22/1,003,011.45 = 268,986.30/x
  3. Step 3: Cross multiply
    668,342.22x = 1,003,011.45 × 268,986.30
  4. Step 4: Simplify right side
    668,342.22x = 269,796,338,793.14
  5. Step 5: Solve for x
    x = 269,796,338,793.14/668,342.22
  6. Step 6: Final answer
    x = 403,679.93

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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.