Home / 803,976.30-1,205,125.29-271,313.82

Finding the Fourth Proportional to 803,976.30, 1,205,125.29 and 271,313.82

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Solution

The fourth proportional to 803,976.30, 1,205,125.29 and 271,313.82 is: 406,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,976.30 : 1,205,125.29 = 271,313.82 : x
  2. Step 2: Convert to fraction form
    803,976.30/1,205,125.29 = 271,313.82/x
  3. Step 3: Cross multiply
    803,976.30x = 1,205,125.29 × 271,313.82
  4. Step 4: Simplify right side
    803,976.30x = 326,967,146,008.51
  5. Step 5: Solve for x
    x = 326,967,146,008.51/803,976.30
  6. Step 6: Final answer
    x = 406,687.54

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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.