Home / 830,692.78-1,246,249.33-231,654.01

Finding the Fourth Proportional to 830,692.78, 1,246,249.33 and 231,654.01

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Solution

The fourth proportional to 830,692.78, 1,246,249.33 and 231,654.01 is: 347,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,692.78 : 1,246,249.33 = 231,654.01 : x
  2. Step 2: Convert to fraction form
    830,692.78/1,246,249.33 = 231,654.01/x
  3. Step 3: Cross multiply
    830,692.78x = 1,246,249.33 × 231,654.01
  4. Step 4: Simplify right side
    830,692.78x = 288,698,649,102.20
  5. Step 5: Solve for x
    x = 288,698,649,102.20/830,692.78
  6. Step 6: Final answer
    x = 347,539.61

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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.