Home / 750,083.10-1,035,105.92-405,911.06

Finding the Fourth Proportional to 750,083.10, 1,035,105.92 and 405,911.06

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Solution

The fourth proportional to 750,083.10, 1,035,105.92 and 405,911.06 is: 560,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,083.10 : 1,035,105.92 = 405,911.06 : x
  2. Step 2: Convert to fraction form
    750,083.10/1,035,105.92 = 405,911.06/x
  3. Step 3: Cross multiply
    750,083.10x = 1,035,105.92 × 405,911.06
  4. Step 4: Simplify right side
    750,083.10x = 420,160,933,994.39
  5. Step 5: Solve for x
    x = 420,160,933,994.39/750,083.10
  6. Step 6: Final answer
    x = 560,152.51

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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.