Home / 765,918.33-1,056,933.19-438,996.98

Finding the Fourth Proportional to 765,918.33, 1,056,933.19 and 438,996.98

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Solution

The fourth proportional to 765,918.33, 1,056,933.19 and 438,996.98 is: 605,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,918.33 : 1,056,933.19 = 438,996.98 : x
  2. Step 2: Convert to fraction form
    765,918.33/1,056,933.19 = 438,996.98/x
  3. Step 3: Cross multiply
    765,918.33x = 1,056,933.19 × 438,996.98
  4. Step 4: Simplify right side
    765,918.33x = 463,990,477,950.00
  5. Step 5: Solve for x
    x = 463,990,477,950.00/765,918.33
  6. Step 6: Final answer
    x = 605,796.29

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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.