Home / 751,458.78-1,037,055.42-445,716.18

Finding the Fourth Proportional to 751,458.78, 1,037,055.42 and 445,716.18

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Solution

The fourth proportional to 751,458.78, 1,037,055.42 and 445,716.18 is: 615,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,458.78 : 1,037,055.42 = 445,716.18 : x
  2. Step 2: Convert to fraction form
    751,458.78/1,037,055.42 = 445,716.18/x
  3. Step 3: Cross multiply
    751,458.78x = 1,037,055.42 × 445,716.18
  4. Step 4: Simplify right side
    751,458.78x = 462,232,380,250.70
  5. Step 5: Solve for x
    x = 462,232,380,250.70/751,458.78
  6. Step 6: Final answer
    x = 615,113.42

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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.