Home / 728,980.37-1,093,548.44-308,298.77

Finding the Fourth Proportional to 728,980.37, 1,093,548.44 and 308,298.77

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Solution

The fourth proportional to 728,980.37, 1,093,548.44 and 308,298.77 is: 462,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,980.37 : 1,093,548.44 = 308,298.77 : x
  2. Step 2: Convert to fraction form
    728,980.37/1,093,548.44 = 308,298.77/x
  3. Step 3: Cross multiply
    728,980.37x = 1,093,548.44 × 308,298.77
  4. Step 4: Simplify right side
    728,980.37x = 337,139,637,445.93
  5. Step 5: Solve for x
    x = 337,139,637,445.93/728,980.37
  6. Step 6: Final answer
    x = 462,481.09

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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.