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Finding the Fourth Proportional to 525,609.63, 788,512.73 and 245,126.88

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Solution

The fourth proportional to 525,609.63, 788,512.73 and 245,126.88 is: 367,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,609.63 : 788,512.73 = 245,126.88 : x
  2. Step 2: Convert to fraction form
    525,609.63/788,512.73 = 245,126.88/x
  3. Step 3: Cross multiply
    525,609.63x = 788,512.73 × 245,126.88
  4. Step 4: Simplify right side
    525,609.63x = 193,285,664,119.55
  5. Step 5: Solve for x
    x = 193,285,664,119.55/525,609.63
  6. Step 6: Final answer
    x = 367,736.15

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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.