Home / 787,608.36-1,181,355.44-307,745.93

Finding the Fourth Proportional to 787,608.36, 1,181,355.44 and 307,745.93

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Solution

The fourth proportional to 787,608.36, 1,181,355.44 and 307,745.93 is: 461,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,608.36 : 1,181,355.44 = 307,745.93 : x
  2. Step 2: Convert to fraction form
    787,608.36/1,181,355.44 = 307,745.93/x
  3. Step 3: Cross multiply
    787,608.36x = 1,181,355.44 × 307,745.93
  4. Step 4: Simplify right side
    787,608.36x = 363,557,329,958.02
  5. Step 5: Solve for x
    x = 363,557,329,958.02/787,608.36
  6. Step 6: Final answer
    x = 461,596.59

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1.5x scale

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.