Home / 467,725.20-645,523.88-263,817.84

Finding the Fourth Proportional to 467,725.20, 645,523.88 and 263,817.84

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Solution

The fourth proportional to 467,725.20, 645,523.88 and 263,817.84 is: 364,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,725.20 : 645,523.88 = 263,817.84 : x
  2. Step 2: Convert to fraction form
    467,725.20/645,523.88 = 263,817.84/x
  3. Step 3: Cross multiply
    467,725.20x = 645,523.88 × 263,817.84
  4. Step 4: Simplify right side
    467,725.20x = 170,300,715,690.02
  5. Step 5: Solve for x
    x = 170,300,715,690.02/467,725.20
  6. Step 6: Final answer
    x = 364,104.21

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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.