Home / 787,415.30-1,181,311.07-254,936.89

Finding the Fourth Proportional to 787,415.30, 1,181,311.07 and 254,936.89

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Solution

The fourth proportional to 787,415.30, 1,181,311.07 and 254,936.89 is: 382,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,415.30 : 1,181,311.07 = 254,936.89 : x
  2. Step 2: Convert to fraction form
    787,415.30/1,181,311.07 = 254,936.89/x
  3. Step 3: Cross multiply
    787,415.30x = 1,181,311.07 × 254,936.89
  4. Step 4: Simplify right side
    787,415.30x = 301,159,770,308.37
  5. Step 5: Solve for x
    x = 301,159,770,308.37/787,415.30
  6. Step 6: Final answer
    x = 382,466.24

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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.