Home / 750,051.92-1,035,074.38-405,887.80

Finding the Fourth Proportional to 750,051.92, 1,035,074.38 and 405,887.80

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Solution

The fourth proportional to 750,051.92, 1,035,074.38 and 405,887.80 is: 560,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,051.92 : 1,035,074.38 = 405,887.80 : x
  2. Step 2: Convert to fraction form
    750,051.92/1,035,074.38 = 405,887.80/x
  3. Step 3: Cross multiply
    750,051.92x = 1,035,074.38 × 405,887.80
  4. Step 4: Simplify right side
    750,051.92x = 420,124,062,934.56
  5. Step 5: Solve for x
    x = 420,124,062,934.56/750,051.92
  6. Step 6: Final answer
    x = 560,126.64

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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.