Home / 831,625.86-1,247,469.96-376,130.46

Finding the Fourth Proportional to 831,625.86, 1,247,469.96 and 376,130.46

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Solution

The fourth proportional to 831,625.86, 1,247,469.96 and 376,130.46 is: 564,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,625.86 : 1,247,469.96 = 376,130.46 : x
  2. Step 2: Convert to fraction form
    831,625.86/1,247,469.96 = 376,130.46/x
  3. Step 3: Cross multiply
    831,625.86x = 1,247,469.96 × 376,130.46
  4. Step 4: Simplify right side
    831,625.86x = 469,211,449,890.98
  5. Step 5: Solve for x
    x = 469,211,449,890.98/831,625.86
  6. Step 6: Final answer
    x = 564,209.79

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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.