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Finding the Fourth Proportional to 505,594.94, 758,394.48 and 126,514.64

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Solution

The fourth proportional to 505,594.94, 758,394.48 and 126,514.64 is: 189,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,594.94 : 758,394.48 = 126,514.64 : x
  2. Step 2: Convert to fraction form
    505,594.94/758,394.48 = 126,514.64/x
  3. Step 3: Cross multiply
    505,594.94x = 758,394.48 × 126,514.64
  4. Step 4: Simplify right side
    505,594.94x = 95,948,000,823.21
  5. Step 5: Solve for x
    x = 95,948,000,823.21/505,594.94
  6. Step 6: Final answer
    x = 189,772.47

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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.