Home / 688,266.36-1,031,997.72-267,050.16

Finding the Fourth Proportional to 688,266.36, 1,031,997.72 and 267,050.16

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Solution

The fourth proportional to 688,266.36, 1,031,997.72 and 267,050.16 is: 400,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,266.36 : 1,031,997.72 = 267,050.16 : x
  2. Step 2: Convert to fraction form
    688,266.36/1,031,997.72 = 267,050.16/x
  3. Step 3: Cross multiply
    688,266.36x = 1,031,997.72 × 267,050.16
  4. Step 4: Simplify right side
    688,266.36x = 275,595,156,245.64
  5. Step 5: Solve for x
    x = 275,595,156,245.64/688,266.36
  6. Step 6: Final answer
    x = 400,419.33

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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.