Home / 751,645.82-1,037,313.66-445,903.22

Finding the Fourth Proportional to 751,645.82, 1,037,313.66 and 445,903.22

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Solution

The fourth proportional to 751,645.82, 1,037,313.66 and 445,903.22 is: 615,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,645.82 : 1,037,313.66 = 445,903.22 : x
  2. Step 2: Convert to fraction form
    751,645.82/1,037,313.66 = 445,903.22/x
  3. Step 3: Cross multiply
    751,645.82x = 1,037,313.66 × 445,903.22
  4. Step 4: Simplify right side
    751,645.82x = 462,541,501,143.99
  5. Step 5: Solve for x
    x = 462,541,501,143.99/751,645.82
  6. Step 6: Final answer
    x = 615,371.61

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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.