Home / 1,044.01-1,566.33-427.60

Finding the Fourth Proportional to 1,044.01, 1,566.33 and 427.60

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Solution

The fourth proportional to 1,044.01, 1,566.33 and 427.60 is: 641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.01 : 1,566.33 = 427.60 : x
  2. Step 2: Convert to fraction form
    1,044.01/1,566.33 = 427.60/x
  3. Step 3: Cross multiply
    1,044.01x = 1,566.33 × 427.60
  4. Step 4: Simplify right side
    1,044.01x = 669,763.06
  5. Step 5: Solve for x
    x = 669,763.06/1,044.01
  6. Step 6: Final answer
    x = 641.53

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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.