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Finding the Fourth Proportional to 479,774.72, 662,099.46 and 264,928.44

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Solution

The fourth proportional to 479,774.72, 662,099.46 and 264,928.44 is: 365,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,774.72 : 662,099.46 = 264,928.44 : x
  2. Step 2: Convert to fraction form
    479,774.72/662,099.46 = 264,928.44/x
  3. Step 3: Cross multiply
    479,774.72x = 662,099.46 × 264,928.44
  4. Step 4: Simplify right side
    479,774.72x = 175,408,977,062.64
  5. Step 5: Solve for x
    x = 175,408,977,062.64/479,774.72
  6. Step 6: Final answer
    x = 365,606.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.