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Finding the Fourth Proportional to 454,775.72, 682,636.70 and 334,967.94

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Solution

The fourth proportional to 454,775.72, 682,636.70 and 334,967.94 is: 502,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,775.72 : 682,636.70 = 334,967.94 : x
  2. Step 2: Convert to fraction form
    454,775.72/682,636.70 = 334,967.94/x
  3. Step 3: Cross multiply
    454,775.72x = 682,636.70 × 334,967.94
  4. Step 4: Simplify right side
    454,775.72x = 228,661,409,167.40
  5. Step 5: Solve for x
    x = 228,661,409,167.40/454,775.72
  6. Step 6: Final answer
    x = 502,800.39

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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.