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Finding the Fourth Proportional to 649,414.80, 896,220.11 and 362,934.88

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Solution

The fourth proportional to 649,414.80, 896,220.11 and 362,934.88 is: 500,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,414.80 : 896,220.11 = 362,934.88 : x
  2. Step 2: Convert to fraction form
    649,414.80/896,220.11 = 362,934.88/x
  3. Step 3: Cross multiply
    649,414.80x = 896,220.11 × 362,934.88
  4. Step 4: Simplify right side
    649,414.80x = 325,269,536,743.22
  5. Step 5: Solve for x
    x = 325,269,536,743.22/649,414.80
  6. Step 6: Final answer
    x = 500,865.61

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1.5x scale

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.