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Finding the Fourth Proportional to 578,664, 868,466.88 and 298,261.44

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Solution

The fourth proportional to 578,664, 868,466.88 and 298,261.44 is: 447,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,664 : 868,466.88 = 298,261.44 : x
  2. Step 2: Convert to fraction form
    578,664/868,466.88 = 298,261.44/x
  3. Step 3: Cross multiply
    578,664x = 868,466.88 × 298,261.44
  4. Step 4: Simplify right side
    578,664x = 259,030,182,221.11
  5. Step 5: Solve for x
    x = 259,030,182,221.11/578,664
  6. Step 6: Final answer
    x = 447,634.87

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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.