Home / 773,744.80-1,160,617.20-212,779.30

Finding the Fourth Proportional to 773,744.80, 1,160,617.20 and 212,779.30

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Solution

The fourth proportional to 773,744.80, 1,160,617.20 and 212,779.30 is: 319,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,744.80 : 1,160,617.20 = 212,779.30 : x
  2. Step 2: Convert to fraction form
    773,744.80/1,160,617.20 = 212,779.30/x
  3. Step 3: Cross multiply
    773,744.80x = 1,160,617.20 × 212,779.30
  4. Step 4: Simplify right side
    773,744.80x = 246,955,315,383.96
  5. Step 5: Solve for x
    x = 246,955,315,383.96/773,744.80
  6. Step 6: Final answer
    x = 319,168.95

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Similar ratio
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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.