Home / 578,107.06-797,767.37-319,984.50

Finding the Fourth Proportional to 578,107.06, 797,767.37 and 319,984.50

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Solution

The fourth proportional to 578,107.06, 797,767.37 and 319,984.50 is: 441,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,107.06 : 797,767.37 = 319,984.50 : x
  2. Step 2: Convert to fraction form
    578,107.06/797,767.37 = 319,984.50/x
  3. Step 3: Cross multiply
    578,107.06x = 797,767.37 × 319,984.50
  4. Step 4: Simplify right side
    578,107.06x = 255,273,192,903.72
  5. Step 5: Solve for x
    x = 255,273,192,903.72/578,107.06
  6. Step 6: Final answer
    x = 441,567.33

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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.