Home / 750,447.72-1,035,619.56-406,287.27

Finding the Fourth Proportional to 750,447.72, 1,035,619.56 and 406,287.27

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Solution

The fourth proportional to 750,447.72, 1,035,619.56 and 406,287.27 is: 560,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,447.72 : 1,035,619.56 = 406,287.27 : x
  2. Step 2: Convert to fraction form
    750,447.72/1,035,619.56 = 406,287.27/x
  3. Step 3: Cross multiply
    750,447.72x = 1,035,619.56 × 406,287.27
  4. Step 4: Simplify right side
    750,447.72x = 420,759,043,791.00
  5. Step 5: Solve for x
    x = 420,759,043,791.00/750,447.72
  6. Step 6: Final answer
    x = 560,677.36

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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.