Home / 766,692.96-1,149,967.36-361,790.88

Finding the Fourth Proportional to 766,692.96, 1,149,967.36 and 361,790.88

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Solution

The fourth proportional to 766,692.96, 1,149,967.36 and 361,790.88 is: 542,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,692.96 : 1,149,967.36 = 361,790.88 : x
  2. Step 2: Convert to fraction form
    766,692.96/1,149,967.36 = 361,790.88/x
  3. Step 3: Cross multiply
    766,692.96x = 1,149,967.36 × 361,790.88
  4. Step 4: Simplify right side
    766,692.96x = 416,047,703,145.68
  5. Step 5: Solve for x
    x = 416,047,703,145.68/766,692.96
  6. Step 6: Final answer
    x = 542,652.31

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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.