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Finding the Fourth Proportional to 576,144.34, 863,059.02 and 287,084.14

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Solution

The fourth proportional to 576,144.34, 863,059.02 and 287,084.14 is: 430,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,144.34 : 863,059.02 = 287,084.14 : x
  2. Step 2: Convert to fraction form
    576,144.34/863,059.02 = 287,084.14/x
  3. Step 3: Cross multiply
    576,144.34x = 863,059.02 × 287,084.14
  4. Step 4: Simplify right side
    576,144.34x = 247,770,556,525.94
  5. Step 5: Solve for x
    x = 247,770,556,525.94/576,144.34
  6. Step 6: Final answer
    x = 430,049.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.