Home / 668,596.50-1,002,778.20-308,736.72

Finding the Fourth Proportional to 668,596.50, 1,002,778.20 and 308,736.72

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Solution

The fourth proportional to 668,596.50, 1,002,778.20 and 308,736.72 is: 463,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,596.50 : 1,002,778.20 = 308,736.72 : x
  2. Step 2: Convert to fraction form
    668,596.50/1,002,778.20 = 308,736.72/x
  3. Step 3: Cross multiply
    668,596.50x = 1,002,778.20 × 308,736.72
  4. Step 4: Simplify right side
    668,596.50x = 309,594,452,355.50
  5. Step 5: Solve for x
    x = 309,594,452,355.50/668,596.50
  6. Step 6: Final answer
    x = 463,051.26

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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.