Home / 1,227.04-1,840.36-446.96

Finding the Fourth Proportional to 1,227.04, 1,840.36 and 446.96

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Solution

The fourth proportional to 1,227.04, 1,840.36 and 446.96 is: 670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.04 : 1,840.36 = 446.96 : x
  2. Step 2: Convert to fraction form
    1,227.04/1,840.36 = 446.96/x
  3. Step 3: Cross multiply
    1,227.04x = 1,840.36 × 446.96
  4. Step 4: Simplify right side
    1,227.04x = 822,567.31
  5. Step 5: Solve for x
    x = 822,567.31/1,227.04
  6. Step 6: Final answer
    x = 670.37

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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.