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Finding the Fourth Proportional to 494,613.74, 682,567.01 and 279,749.24

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Solution

The fourth proportional to 494,613.74, 682,567.01 and 279,749.24 is: 386,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,613.74 : 682,567.01 = 279,749.24 : x
  2. Step 2: Convert to fraction form
    494,613.74/682,567.01 = 279,749.24/x
  3. Step 3: Cross multiply
    494,613.74x = 682,567.01 × 279,749.24
  4. Step 4: Simplify right side
    494,613.74x = 190,947,597,484.99
  5. Step 5: Solve for x
    x = 190,947,597,484.99/494,613.74
  6. Step 6: Final answer
    x = 386,053.97

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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.