Home / 750,905.73-1,036,250.94-406,745.41

Finding the Fourth Proportional to 750,905.73, 1,036,250.94 and 406,745.41

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Solution

The fourth proportional to 750,905.73, 1,036,250.94 and 406,745.41 is: 561,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,905.73 : 1,036,250.94 = 406,745.41 : x
  2. Step 2: Convert to fraction form
    750,905.73/1,036,250.94 = 406,745.41/x
  3. Step 3: Cross multiply
    750,905.73x = 1,036,250.94 × 406,745.41
  4. Step 4: Simplify right side
    750,905.73x = 421,490,313,453.19
  5. Step 5: Solve for x
    x = 421,490,313,453.19/750,905.73
  6. Step 6: Final answer
    x = 561,309.23

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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.