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Finding the Fourth Proportional to 513,851.58, 770,334.48 and 247,245.35

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Solution

The fourth proportional to 513,851.58, 770,334.48 and 247,245.35 is: 370,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,851.58 : 770,334.48 = 247,245.35 : x
  2. Step 2: Convert to fraction form
    513,851.58/770,334.48 = 247,245.35/x
  3. Step 3: Cross multiply
    513,851.58x = 770,334.48 × 247,245.35
  4. Step 4: Simplify right side
    513,851.58x = 190,461,614,273.00
  5. Step 5: Solve for x
    x = 190,461,614,273.00/513,851.58
  6. Step 6: Final answer
    x = 370,654.92

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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.