Home / 417,180.18-624,749.66-376,745

Finding the Fourth Proportional to 417,180.18, 624,749.66 and 376,745

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Solution

The fourth proportional to 417,180.18, 624,749.66 and 376,745 is: 564,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,180.18 : 624,749.66 = 376,745 : x
  2. Step 2: Convert to fraction form
    417,180.18/624,749.66 = 376,745/x
  3. Step 3: Cross multiply
    417,180.18x = 624,749.66 × 376,745
  4. Step 4: Simplify right side
    417,180.18x = 235,371,310,656.70
  5. Step 5: Solve for x
    x = 235,371,310,656.70/417,180.18
  6. Step 6: Final answer
    x = 564,195.81

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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.