Home / 668,597.49-1,002,885.30-269,228.21

Finding the Fourth Proportional to 668,597.49, 1,002,885.30 and 269,228.21

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Solution

The fourth proportional to 668,597.49, 1,002,885.30 and 269,228.21 is: 403,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,597.49 : 1,002,885.30 = 269,228.21 : x
  2. Step 2: Convert to fraction form
    668,597.49/1,002,885.30 = 269,228.21/x
  3. Step 3: Cross multiply
    668,597.49x = 1,002,885.30 × 269,228.21
  4. Step 4: Simplify right side
    668,597.49x = 270,005,009,139.89
  5. Step 5: Solve for x
    x = 270,005,009,139.89/668,597.49
  6. Step 6: Final answer
    x = 403,837.90

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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.