Home / 326,656.06-491,902.67-285,032.66

Finding the Fourth Proportional to 326,656.06, 491,902.67 and 285,032.66

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Solution

The fourth proportional to 326,656.06, 491,902.67 and 285,032.66 is: 429,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,656.06 : 491,902.67 = 285,032.66 : x
  2. Step 2: Convert to fraction form
    326,656.06/491,902.67 = 285,032.66/x
  3. Step 3: Cross multiply
    326,656.06x = 491,902.67 × 285,032.66
  4. Step 4: Simplify right side
    326,656.06x = 140,208,324,744.27
  5. Step 5: Solve for x
    x = 140,208,324,744.27/326,656.06
  6. Step 6: Final answer
    x = 429,223.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.