Home / 787,291.73-1,086,985.53-605,683.25

Finding the Fourth Proportional to 787,291.73, 1,086,985.53 and 605,683.25

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Solution

The fourth proportional to 787,291.73, 1,086,985.53 and 605,683.25 is: 836,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,291.73 : 1,086,985.53 = 605,683.25 : x
  2. Step 2: Convert to fraction form
    787,291.73/1,086,985.53 = 605,683.25/x
  3. Step 3: Cross multiply
    787,291.73x = 1,086,985.53 × 605,683.25
  4. Step 4: Simplify right side
    787,291.73x = 658,368,920,050.03
  5. Step 5: Solve for x
    x = 658,368,920,050.03/787,291.73
  6. Step 6: Final answer
    x = 836,245.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.