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Finding the Fourth Proportional to 526,745.80, 789,827.10 and 210,845.80

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Solution

The fourth proportional to 526,745.80, 789,827.10 and 210,845.80 is: 316,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,745.80 : 789,827.10 = 210,845.80 : x
  2. Step 2: Convert to fraction form
    526,745.80/789,827.10 = 210,845.80/x
  3. Step 3: Cross multiply
    526,745.80x = 789,827.10 × 210,845.80
  4. Step 4: Simplify right side
    526,745.80x = 166,531,726,761.18
  5. Step 5: Solve for x
    x = 166,531,726,761.18/526,745.80
  6. Step 6: Final answer
    x = 316,151.98

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1.5x scale

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.