Home / 574,629.22-792,989.49-319,989.52

Finding the Fourth Proportional to 574,629.22, 792,989.49 and 319,989.52

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Solution

The fourth proportional to 574,629.22, 792,989.49 and 319,989.52 is: 441,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,629.22 : 792,989.49 = 319,989.52 : x
  2. Step 2: Convert to fraction form
    574,629.22/792,989.49 = 319,989.52/x
  3. Step 3: Cross multiply
    574,629.22x = 792,989.49 × 319,989.52
  4. Step 4: Simplify right side
    574,629.22x = 253,748,326,270.15
  5. Step 5: Solve for x
    x = 253,748,326,270.15/574,629.22
  6. Step 6: Final answer
    x = 441,586.19

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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.