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Finding the Fourth Proportional to 417,050.75, 625,579.43 and 273,077.89

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Solution

The fourth proportional to 417,050.75, 625,579.43 and 273,077.89 is: 409,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,050.75 : 625,579.43 = 273,077.89 : x
  2. Step 2: Convert to fraction form
    417,050.75/625,579.43 = 273,077.89/x
  3. Step 3: Cross multiply
    417,050.75x = 625,579.43 × 273,077.89
  4. Step 4: Simplify right side
    417,050.75x = 170,831,907,842.47
  5. Step 5: Solve for x
    x = 170,831,907,842.47/417,050.75
  6. Step 6: Final answer
    x = 409,618.99

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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.