Home / 807,589.35-1,210,241.07-447,918.53

Finding the Fourth Proportional to 807,589.35, 1,210,241.07 and 447,918.53

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Solution

The fourth proportional to 807,589.35, 1,210,241.07 and 447,918.53 is: 671,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,589.35 : 1,210,241.07 = 447,918.53 : x
  2. Step 2: Convert to fraction form
    807,589.35/1,210,241.07 = 447,918.53/x
  3. Step 3: Cross multiply
    807,589.35x = 1,210,241.07 × 447,918.53
  4. Step 4: Simplify right side
    807,589.35x = 542,089,394,968.82
  5. Step 5: Solve for x
    x = 542,089,394,968.82/807,589.35
  6. Step 6: Final answer
    x = 671,243.86

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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.