Home / 479,703.20-661,977.24-264,839.36

Finding the Fourth Proportional to 479,703.20, 661,977.24 and 264,839.36

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Solution

The fourth proportional to 479,703.20, 661,977.24 and 264,839.36 is: 365,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,703.20 : 661,977.24 = 264,839.36 : x
  2. Step 2: Convert to fraction form
    479,703.20/661,977.24 = 264,839.36/x
  3. Step 3: Cross multiply
    479,703.20x = 661,977.24 × 264,839.36
  4. Step 4: Simplify right side
    479,703.20x = 175,317,628,576.17
  5. Step 5: Solve for x
    x = 175,317,628,576.17/479,703.20
  6. Step 6: Final answer
    x = 365,471.04

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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.