Home / 768,252.60-1,152,378.89-207,287.10

Finding the Fourth Proportional to 768,252.60, 1,152,378.89 and 207,287.10

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Solution

The fourth proportional to 768,252.60, 1,152,378.89 and 207,287.10 is: 310,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,252.60 : 1,152,378.89 = 207,287.10 : x
  2. Step 2: Convert to fraction form
    768,252.60/1,152,378.89 = 207,287.10/x
  3. Step 3: Cross multiply
    768,252.60x = 1,152,378.89 × 207,287.10
  4. Step 4: Simplify right side
    768,252.60x = 238,873,272,447.43
  5. Step 5: Solve for x
    x = 238,873,272,447.43/768,252.60
  6. Step 6: Final answer
    x = 310,930.64

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Similar ratio
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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.