Home / 768,098.44-1,152,147.48-207,132.76

Finding the Fourth Proportional to 768,098.44, 1,152,147.48 and 207,132.76

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Solution

The fourth proportional to 768,098.44, 1,152,147.48 and 207,132.76 is: 310,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,098.44 : 1,152,147.48 = 207,132.76 : x
  2. Step 2: Convert to fraction form
    768,098.44/1,152,147.48 = 207,132.76/x
  3. Step 3: Cross multiply
    768,098.44x = 1,152,147.48 × 207,132.76
  4. Step 4: Simplify right side
    768,098.44x = 238,647,487,459.45
  5. Step 5: Solve for x
    x = 238,647,487,459.45/768,098.44
  6. Step 6: Final answer
    x = 310,699.09

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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.