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Finding the Fourth Proportional to 666,558.08, 919,850.08 and 364,752

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Solution

The fourth proportional to 666,558.08, 919,850.08 and 364,752 is: 503,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,558.08 : 919,850.08 = 364,752 : x
  2. Step 2: Convert to fraction form
    666,558.08/919,850.08 = 364,752/x
  3. Step 3: Cross multiply
    666,558.08x = 919,850.08 × 364,752
  4. Step 4: Simplify right side
    666,558.08x = 335,517,156,380.16
  5. Step 5: Solve for x
    x = 335,517,156,380.16/666,558.08
  6. Step 6: Final answer
    x = 503,357.72

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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.