Home / 688,102-1,031,887.56-267,322.48

Finding the Fourth Proportional to 688,102, 1,031,887.56 and 267,322.48

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Solution

The fourth proportional to 688,102, 1,031,887.56 and 267,322.48 is: 400,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,102 : 1,031,887.56 = 267,322.48 : x
  2. Step 2: Convert to fraction form
    688,102/1,031,887.56 = 267,322.48/x
  3. Step 3: Cross multiply
    688,102x = 1,031,887.56 × 267,322.48
  4. Step 4: Simplify right side
    688,102x = 275,846,741,620.35
  5. Step 5: Solve for x
    x = 275,846,741,620.35/688,102
  6. Step 6: Final answer
    x = 400,880.60

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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.