Home / 787,442.86-1,181,352.44-254,964.48

Finding the Fourth Proportional to 787,442.86, 1,181,352.44 and 254,964.48

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Solution

The fourth proportional to 787,442.86, 1,181,352.44 and 254,964.48 is: 382,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,442.86 : 1,181,352.44 = 254,964.48 : x
  2. Step 2: Convert to fraction form
    787,442.86/1,181,352.44 = 254,964.48/x
  3. Step 3: Cross multiply
    787,442.86x = 1,181,352.44 × 254,964.48
  4. Step 4: Simplify right side
    787,442.86x = 301,202,910,561.33
  5. Step 5: Solve for x
    x = 301,202,910,561.33/787,442.86
  6. Step 6: Final answer
    x = 382,507.64

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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.