Home / 751,625.78-1,037,285.96-445,883.18

Finding the Fourth Proportional to 751,625.78, 1,037,285.96 and 445,883.18

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Solution

The fourth proportional to 751,625.78, 1,037,285.96 and 445,883.18 is: 615,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,625.78 : 1,037,285.96 = 445,883.18 : x
  2. Step 2: Convert to fraction form
    751,625.78/1,037,285.96 = 445,883.18/x
  3. Step 3: Cross multiply
    751,625.78x = 1,037,285.96 × 445,883.18
  4. Step 4: Simplify right side
    751,625.78x = 462,508,354,998.31
  5. Step 5: Solve for x
    x = 462,508,354,998.31/751,625.78
  6. Step 6: Final answer
    x = 615,343.93

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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.