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Finding the Fourth Proportional to 1,622.36, 2,433.03 and 526.47

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Solution

The fourth proportional to 1,622.36, 2,433.03 and 526.47 is: 789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.36 : 2,433.03 = 526.47 : x
  2. Step 2: Convert to fraction form
    1,622.36/2,433.03 = 526.47/x
  3. Step 3: Cross multiply
    1,622.36x = 2,433.03 × 526.47
  4. Step 4: Simplify right side
    1,622.36x = 1,280,917.30
  5. Step 5: Solve for x
    x = 1,280,917.30/1,622.36
  6. Step 6: Final answer
    x = 789.54

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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.