Home / 667,682.75-1,001,102.59-368,371.90

Finding the Fourth Proportional to 667,682.75, 1,001,102.59 and 368,371.90

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Solution

The fourth proportional to 667,682.75, 1,001,102.59 and 368,371.90 is: 552,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,682.75 : 1,001,102.59 = 368,371.90 : x
  2. Step 2: Convert to fraction form
    667,682.75/1,001,102.59 = 368,371.90/x
  3. Step 3: Cross multiply
    667,682.75x = 1,001,102.59 × 368,371.90
  4. Step 4: Simplify right side
    667,682.75x = 368,778,064,885.06
  5. Step 5: Solve for x
    x = 368,778,064,885.06/667,682.75
  6. Step 6: Final answer
    x = 552,325.29

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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.