Home / 479,614.12-661,872.08-264,749.56

Finding the Fourth Proportional to 479,614.12, 661,872.08 and 264,749.56

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Solution

The fourth proportional to 479,614.12, 661,872.08 and 264,749.56 is: 365,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,614.12 : 661,872.08 = 264,749.56 : x
  2. Step 2: Convert to fraction form
    479,614.12/661,872.08 = 264,749.56/x
  3. Step 3: Cross multiply
    479,614.12x = 661,872.08 × 264,749.56
  4. Step 4: Simplify right side
    479,614.12x = 175,230,340,963.48
  5. Step 5: Solve for x
    x = 175,230,340,963.48/479,614.12
  6. Step 6: Final answer
    x = 365,356.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.