Home / 490,743.24-736,114.96-153,783.82

Finding the Fourth Proportional to 490,743.24, 736,114.96 and 153,783.82

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Solution

The fourth proportional to 490,743.24, 736,114.96 and 153,783.82 is: 230,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,743.24 : 736,114.96 = 153,783.82 : x
  2. Step 2: Convert to fraction form
    490,743.24/736,114.96 = 153,783.82/x
  3. Step 3: Cross multiply
    490,743.24x = 736,114.96 × 153,783.82
  4. Step 4: Simplify right side
    490,743.24x = 113,202,570,507.95
  5. Step 5: Solve for x
    x = 113,202,570,507.95/490,743.24
  6. Step 6: Final answer
    x = 230,675.76

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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.