Home / 750,043.41-1,035,062.63-405,879.30

Finding the Fourth Proportional to 750,043.41, 1,035,062.63 and 405,879.30

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Solution

The fourth proportional to 750,043.41, 1,035,062.63 and 405,879.30 is: 560,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,043.41 : 1,035,062.63 = 405,879.30 : x
  2. Step 2: Convert to fraction form
    750,043.41/1,035,062.63 = 405,879.30/x
  3. Step 3: Cross multiply
    750,043.41x = 1,035,062.63 × 405,879.30
  4. Step 4: Simplify right side
    750,043.41x = 420,110,496,735.26
  5. Step 5: Solve for x
    x = 420,110,496,735.26/750,043.41
  6. Step 6: Final answer
    x = 560,114.91

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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.