Home / 505,756.02-758,743.29-269,064.30

Finding the Fourth Proportional to 505,756.02, 758,743.29 and 269,064.30

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Solution

The fourth proportional to 505,756.02, 758,743.29 and 269,064.30 is: 403,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,756.02 : 758,743.29 = 269,064.30 : x
  2. Step 2: Convert to fraction form
    505,756.02/758,743.29 = 269,064.30/x
  3. Step 3: Cross multiply
    505,756.02x = 758,743.29 × 269,064.30
  4. Step 4: Simplify right side
    505,756.02x = 204,150,732,203.55
  5. Step 5: Solve for x
    x = 204,150,732,203.55/505,756.02
  6. Step 6: Final answer
    x = 403,654.58

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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.