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Finding the Fourth Proportional to 548,923.26, 824,327.19 and 336,936

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Solution

The fourth proportional to 548,923.26, 824,327.19 and 336,936 is: 505,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,923.26 : 824,327.19 = 336,936 : x
  2. Step 2: Convert to fraction form
    548,923.26/824,327.19 = 336,936/x
  3. Step 3: Cross multiply
    548,923.26x = 824,327.19 × 336,936
  4. Step 4: Simplify right side
    548,923.26x = 277,745,506,089.84
  5. Step 5: Solve for x
    x = 277,745,506,089.84/548,923.26
  6. Step 6: Final answer
    x = 505,982.40

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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.