Home / 751,418.22-1,036,999.56-445,675.62

Finding the Fourth Proportional to 751,418.22, 1,036,999.56 and 445,675.62

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Solution

The fourth proportional to 751,418.22, 1,036,999.56 and 445,675.62 is: 615,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,418.22 : 1,036,999.56 = 445,675.62 : x
  2. Step 2: Convert to fraction form
    751,418.22/1,036,999.56 = 445,675.62/x
  3. Step 3: Cross multiply
    751,418.22x = 1,036,999.56 × 445,675.62
  4. Step 4: Simplify right side
    751,418.22x = 462,165,421,842.73
  5. Step 5: Solve for x
    x = 462,165,421,842.73/751,418.22
  6. Step 6: Final answer
    x = 615,057.51

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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.