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Finding the Fourth Proportional to 395,677.31, 592,893.57 and 305,939.23

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Solution

The fourth proportional to 395,677.31, 592,893.57 and 305,939.23 is: 458,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,677.31 : 592,893.57 = 305,939.23 : x
  2. Step 2: Convert to fraction form
    395,677.31/592,893.57 = 305,939.23/x
  3. Step 3: Cross multiply
    395,677.31x = 592,893.57 × 305,939.23
  4. Step 4: Simplify right side
    395,677.31x = 181,389,401,942.79
  5. Step 5: Solve for x
    x = 181,389,401,942.79/395,677.31
  6. Step 6: Final answer
    x = 458,427.61

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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.