Home / 750,109.24-1,035,154.06-405,945.22

Finding the Fourth Proportional to 750,109.24, 1,035,154.06 and 405,945.22

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Solution

The fourth proportional to 750,109.24, 1,035,154.06 and 405,945.22 is: 560,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,109.24 : 1,035,154.06 = 405,945.22 : x
  2. Step 2: Convert to fraction form
    750,109.24/1,035,154.06 = 405,945.22/x
  3. Step 3: Cross multiply
    750,109.24x = 1,035,154.06 × 405,945.22
  4. Step 4: Simplify right side
    750,109.24x = 420,215,842,620.59
  5. Step 5: Solve for x
    x = 420,215,842,620.59/750,109.24
  6. Step 6: Final answer
    x = 560,206.19

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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.