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Finding the Fourth Proportional to 536,610.60, 804,915.90 and 402,766.20

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Solution

The fourth proportional to 536,610.60, 804,915.90 and 402,766.20 is: 604,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,610.60 : 804,915.90 = 402,766.20 : x
  2. Step 2: Convert to fraction form
    536,610.60/804,915.90 = 402,766.20/x
  3. Step 3: Cross multiply
    536,610.60x = 804,915.90 × 402,766.20
  4. Step 4: Simplify right side
    536,610.60x = 324,192,918,362.58
  5. Step 5: Solve for x
    x = 324,192,918,362.58/536,610.60
  6. Step 6: Final answer
    x = 604,149.30

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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.