Home / 667,208.03-920,742.89-361,277.93

Finding the Fourth Proportional to 667,208.03, 920,742.89 and 361,277.93

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Solution

The fourth proportional to 667,208.03, 920,742.89 and 361,277.93 is: 498,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,208.03 : 920,742.89 = 361,277.93 : x
  2. Step 2: Convert to fraction form
    667,208.03/920,742.89 = 361,277.93/x
  3. Step 3: Cross multiply
    667,208.03x = 920,742.89 × 361,277.93
  4. Step 4: Simplify right side
    667,208.03x = 332,644,078,951.31
  5. Step 5: Solve for x
    x = 332,644,078,951.31/667,208.03
  6. Step 6: Final answer
    x = 498,561.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.