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Finding the Fourth Proportional to 536,321.40, 804,777.60 and 326,106.96

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Solution

The fourth proportional to 536,321.40, 804,777.60 and 326,106.96 is: 489,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,321.40 : 804,777.60 = 326,106.96 : x
  2. Step 2: Convert to fraction form
    536,321.40/804,777.60 = 326,106.96/x
  3. Step 3: Cross multiply
    536,321.40x = 804,777.60 × 326,106.96
  4. Step 4: Simplify right side
    536,321.40x = 262,443,576,612.10
  5. Step 5: Solve for x
    x = 262,443,576,612.10/536,321.40
  6. Step 6: Final answer
    x = 489,340.12

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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.