Home / 750,107.31-1,035,151.38-405,943.28

Finding the Fourth Proportional to 750,107.31, 1,035,151.38 and 405,943.28

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Solution

The fourth proportional to 750,107.31, 1,035,151.38 and 405,943.28 is: 560,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,107.31 : 1,035,151.38 = 405,943.28 : x
  2. Step 2: Convert to fraction form
    750,107.31/1,035,151.38 = 405,943.28/x
  3. Step 3: Cross multiply
    750,107.31x = 1,035,151.38 × 405,943.28
  4. Step 4: Simplify right side
    750,107.31x = 420,212,751,022.51
  5. Step 5: Solve for x
    x = 420,212,751,022.51/750,107.31
  6. Step 6: Final answer
    x = 560,203.52

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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.