Home / 777,739.40-1,166,609.10-216,773.90

Finding the Fourth Proportional to 777,739.40, 1,166,609.10 and 216,773.90

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Solution

The fourth proportional to 777,739.40, 1,166,609.10 and 216,773.90 is: 325,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,739.40 : 1,166,609.10 = 216,773.90 : x
  2. Step 2: Convert to fraction form
    777,739.40/1,166,609.10 = 216,773.90/x
  3. Step 3: Cross multiply
    777,739.40x = 1,166,609.10 × 216,773.90
  4. Step 4: Simplify right side
    777,739.40x = 252,890,404,382.49
  5. Step 5: Solve for x
    x = 252,890,404,382.49/777,739.40
  6. Step 6: Final answer
    x = 325,160.85

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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.