Home / 467,845.08-645,588.96-263,830.56

Finding the Fourth Proportional to 467,845.08, 645,588.96 and 263,830.56

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Solution

The fourth proportional to 467,845.08, 645,588.96 and 263,830.56 is: 364,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,845.08 : 645,588.96 = 263,830.56 : x
  2. Step 2: Convert to fraction form
    467,845.08/645,588.96 = 263,830.56/x
  3. Step 3: Cross multiply
    467,845.08x = 645,588.96 × 263,830.56
  4. Step 4: Simplify right side
    467,845.08x = 170,326,096,846.62
  5. Step 5: Solve for x
    x = 170,326,096,846.62/467,845.08
  6. Step 6: Final answer
    x = 364,065.17

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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.