Home / 395,682.08-546,786.40-300,011.36

Finding the Fourth Proportional to 395,682.08, 546,786.40 and 300,011.36

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Solution

The fourth proportional to 395,682.08, 546,786.40 and 300,011.36 is: 414,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,682.08 : 546,786.40 = 300,011.36 : x
  2. Step 2: Convert to fraction form
    395,682.08/546,786.40 = 300,011.36/x
  3. Step 3: Cross multiply
    395,682.08x = 546,786.40 × 300,011.36
  4. Step 4: Simplify right side
    395,682.08x = 164,042,131,493.50
  5. Step 5: Solve for x
    x = 164,042,131,493.50/395,682.08
  6. Step 6: Final answer
    x = 414,580.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.