Home / 859,191.33-1,288,952.96-326,670.96

Finding the Fourth Proportional to 859,191.33, 1,288,952.96 and 326,670.96

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Solution

The fourth proportional to 859,191.33, 1,288,952.96 and 326,670.96 is: 490,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,191.33 : 1,288,952.96 = 326,670.96 : x
  2. Step 2: Convert to fraction form
    859,191.33/1,288,952.96 = 326,670.96/x
  3. Step 3: Cross multiply
    859,191.33x = 1,288,952.96 × 326,670.96
  4. Step 4: Simplify right side
    859,191.33x = 421,063,499,204.69
  5. Step 5: Solve for x
    x = 421,063,499,204.69/859,191.33
  6. Step 6: Final answer
    x = 490,069.54

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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.