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Finding the Fourth Proportional to 505,602.92, 758,406.45 and 126,522.62

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Solution

The fourth proportional to 505,602.92, 758,406.45 and 126,522.62 is: 189,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,602.92 : 758,406.45 = 126,522.62 : x
  2. Step 2: Convert to fraction form
    505,602.92/758,406.45 = 126,522.62/x
  3. Step 3: Cross multiply
    505,602.92x = 758,406.45 × 126,522.62
  4. Step 4: Simplify right side
    505,602.92x = 95,955,567,286.87
  5. Step 5: Solve for x
    x = 95,955,567,286.87/505,602.92
  6. Step 6: Final answer
    x = 189,784.44

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1.5x scale

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.