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Finding the Fourth Proportional to 682,677.50, 942,093 and 376,751.66

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Solution

The fourth proportional to 682,677.50, 942,093 and 376,751.66 is: 519,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677.50 : 942,093 = 376,751.66 : x
  2. Step 2: Convert to fraction form
    682,677.50/942,093 = 376,751.66/x
  3. Step 3: Cross multiply
    682,677.50x = 942,093 × 376,751.66
  4. Step 4: Simplify right side
    682,677.50x = 354,935,096,913.92
  5. Step 5: Solve for x
    x = 354,935,096,913.92/682,677.50
  6. Step 6: Final answer
    x = 519,916.21

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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.