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Finding the Fourth Proportional to 490,012.44, 676,200.06 and 299,344.92

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Solution

The fourth proportional to 490,012.44, 676,200.06 and 299,344.92 is: 413,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,012.44 : 676,200.06 = 299,344.92 : x
  2. Step 2: Convert to fraction form
    490,012.44/676,200.06 = 299,344.92/x
  3. Step 3: Cross multiply
    490,012.44x = 676,200.06 × 299,344.92
  4. Step 4: Simplify right side
    490,012.44x = 202,417,052,864.70
  5. Step 5: Solve for x
    x = 202,417,052,864.70/490,012.44
  6. Step 6: Final answer
    x = 413,085.54

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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.