Home / 751,415.22-1,036,995.42-445,672.62

Finding the Fourth Proportional to 751,415.22, 1,036,995.42 and 445,672.62

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Solution

The fourth proportional to 751,415.22, 1,036,995.42 and 445,672.62 is: 615,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,415.22 : 1,036,995.42 = 445,672.62 : x
  2. Step 2: Convert to fraction form
    751,415.22/1,036,995.42 = 445,672.62/x
  3. Step 3: Cross multiply
    751,415.22x = 1,036,995.42 × 445,672.62
  4. Step 4: Simplify right side
    751,415.22x = 462,160,465,759.40
  5. Step 5: Solve for x
    x = 462,160,465,759.40/751,415.22
  6. Step 6: Final answer
    x = 615,053.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.