Home / 668,280.04-1,002,811.74-268,858.60

Finding the Fourth Proportional to 668,280.04, 1,002,811.74 and 268,858.60

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Solution

The fourth proportional to 668,280.04, 1,002,811.74 and 268,858.60 is: 403,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,280.04 : 1,002,811.74 = 268,858.60 : x
  2. Step 2: Convert to fraction form
    668,280.04/1,002,811.74 = 268,858.60/x
  3. Step 3: Cross multiply
    668,280.04x = 1,002,811.74 × 268,858.60
  4. Step 4: Simplify right side
    668,280.04x = 269,614,560,479.96
  5. Step 5: Solve for x
    x = 269,614,560,479.96/668,280.04
  6. Step 6: Final answer
    x = 403,445.48

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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.