Home / 740,053.60-1,110,523.26-319,329.48

Finding the Fourth Proportional to 740,053.60, 1,110,523.26 and 319,329.48

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Solution

The fourth proportional to 740,053.60, 1,110,523.26 and 319,329.48 is: 479,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,053.60 : 1,110,523.26 = 319,329.48 : x
  2. Step 2: Convert to fraction form
    740,053.60/1,110,523.26 = 319,329.48/x
  3. Step 3: Cross multiply
    740,053.60x = 1,110,523.26 × 319,329.48
  4. Step 4: Simplify right side
    740,053.60x = 354,622,809,591.09
  5. Step 5: Solve for x
    x = 354,622,809,591.09/740,053.60
  6. Step 6: Final answer
    x = 479,185.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.