Home / 505,528.88-758,291.16-205,942.64

Finding the Fourth Proportional to 505,528.88, 758,291.16 and 205,942.64

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Solution

The fourth proportional to 505,528.88, 758,291.16 and 205,942.64 is: 308,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,528.88 : 758,291.16 = 205,942.64 : x
  2. Step 2: Convert to fraction form
    505,528.88/758,291.16 = 205,942.64/x
  3. Step 3: Cross multiply
    505,528.88x = 758,291.16 × 205,942.64
  4. Step 4: Simplify right side
    505,528.88x = 156,164,483,379.06
  5. Step 5: Solve for x
    x = 156,164,483,379.06/505,528.88
  6. Step 6: Final answer
    x = 308,913.08

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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.