Home / 397,764.09-596,646.14-327,495.78

Finding the Fourth Proportional to 397,764.09, 596,646.14 and 327,495.78

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Solution

The fourth proportional to 397,764.09, 596,646.14 and 327,495.78 is: 491,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,764.09 : 596,646.14 = 327,495.78 : x
  2. Step 2: Convert to fraction form
    397,764.09/596,646.14 = 327,495.78/x
  3. Step 3: Cross multiply
    397,764.09x = 596,646.14 × 327,495.78
  4. Step 4: Simplify right side
    397,764.09x = 195,399,091,365.81
  5. Step 5: Solve for x
    x = 195,399,091,365.81/397,764.09
  6. Step 6: Final answer
    x = 491,243.67

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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.