Home / 558,192.96-770,326.56-319,775.04

Finding the Fourth Proportional to 558,192.96, 770,326.56 and 319,775.04

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Solution

The fourth proportional to 558,192.96, 770,326.56 and 319,775.04 is: 441,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,192.96 : 770,326.56 = 319,775.04 : x
  2. Step 2: Convert to fraction form
    558,192.96/770,326.56 = 319,775.04/x
  3. Step 3: Cross multiply
    558,192.96x = 770,326.56 × 319,775.04
  4. Step 4: Simplify right side
    558,192.96x = 246,331,206,537.06
  5. Step 5: Solve for x
    x = 246,331,206,537.06/558,192.96
  6. Step 6: Final answer
    x = 441,301.17

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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.