Home / 490,579.02-676,494.99-409,976.46

Finding the Fourth Proportional to 490,579.02, 676,494.99 and 409,976.46

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Solution

The fourth proportional to 490,579.02, 676,494.99 and 409,976.46 is: 565,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,579.02 : 676,494.99 = 409,976.46 : x
  2. Step 2: Convert to fraction form
    490,579.02/676,494.99 = 409,976.46/x
  3. Step 3: Cross multiply
    490,579.02x = 676,494.99 × 409,976.46
  4. Step 4: Simplify right side
    490,579.02x = 277,347,021,207.94
  5. Step 5: Solve for x
    x = 277,347,021,207.94/490,579.02
  6. Step 6: Final answer
    x = 565,346.27

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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.