Home / 777,739.20-1,166,608.80-334,507.20

Finding the Fourth Proportional to 777,739.20, 1,166,608.80 and 334,507.20

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Solution

The fourth proportional to 777,739.20, 1,166,608.80 and 334,507.20 is: 501,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,739.20 : 1,166,608.80 = 334,507.20 : x
  2. Step 2: Convert to fraction form
    777,739.20/1,166,608.80 = 334,507.20/x
  3. Step 3: Cross multiply
    777,739.20x = 1,166,608.80 × 334,507.20
  4. Step 4: Simplify right side
    777,739.20x = 390,239,043,183.36
  5. Step 5: Solve for x
    x = 390,239,043,183.36/777,739.20
  6. Step 6: Final answer
    x = 501,760.80

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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.