Home / 505,807.41-758,693.57-126,731.46

Finding the Fourth Proportional to 505,807.41, 758,693.57 and 126,731.46

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Solution

The fourth proportional to 505,807.41, 758,693.57 and 126,731.46 is: 190,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,807.41 : 758,693.57 = 126,731.46 : x
  2. Step 2: Convert to fraction form
    505,807.41/758,693.57 = 126,731.46/x
  3. Step 3: Cross multiply
    505,807.41x = 758,693.57 × 126,731.46
  4. Step 4: Simplify right side
    505,807.41x = 96,150,343,185.05
  5. Step 5: Solve for x
    x = 96,150,343,185.05/505,807.41
  6. Step 6: Final answer
    x = 190,092.79

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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.