Home / 807,314.23-1,211,189.97-301,926.55

Finding the Fourth Proportional to 807,314.23, 1,211,189.97 and 301,926.55

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Solution

The fourth proportional to 807,314.23, 1,211,189.97 and 301,926.55 is: 452,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,314.23 : 1,211,189.97 = 301,926.55 : x
  2. Step 2: Convert to fraction form
    807,314.23/1,211,189.97 = 301,926.55/x
  3. Step 3: Cross multiply
    807,314.23x = 1,211,189.97 × 301,926.55
  4. Step 4: Simplify right side
    807,314.23x = 365,690,409,036.70
  5. Step 5: Solve for x
    x = 365,690,409,036.70/807,314.23
  6. Step 6: Final answer
    x = 452,971.59

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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.