Home / 667,054.69-920,529.07-361,123.23

Finding the Fourth Proportional to 667,054.69, 920,529.07 and 361,123.23

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Solution

The fourth proportional to 667,054.69, 920,529.07 and 361,123.23 is: 498,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,054.69 : 920,529.07 = 361,123.23 : x
  2. Step 2: Convert to fraction form
    667,054.69/920,529.07 = 361,123.23/x
  3. Step 3: Cross multiply
    667,054.69x = 920,529.07 × 361,123.23
  4. Step 4: Simplify right side
    667,054.69x = 332,424,430,469.81
  5. Step 5: Solve for x
    x = 332,424,430,469.81/667,054.69
  6. Step 6: Final answer
    x = 498,346.59

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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.