Home / 464,986.98-641,516.79-303,934.86

Finding the Fourth Proportional to 464,986.98, 641,516.79 and 303,934.86

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Solution

The fourth proportional to 464,986.98, 641,516.79 and 303,934.86 is: 419,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,986.98 : 641,516.79 = 303,934.86 : x
  2. Step 2: Convert to fraction form
    464,986.98/641,516.79 = 303,934.86/x
  3. Step 3: Cross multiply
    464,986.98x = 641,516.79 × 303,934.86
  4. Step 4: Simplify right side
    464,986.98x = 194,979,315,756.30
  5. Step 5: Solve for x
    x = 194,979,315,756.30/464,986.98
  6. Step 6: Final answer
    x = 419,322.10

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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.