Home / 940,910.85-1,298,449.98-511,194.51

Finding the Fourth Proportional to 940,910.85, 1,298,449.98 and 511,194.51

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Solution

The fourth proportional to 940,910.85, 1,298,449.98 and 511,194.51 is: 705,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,910.85 : 1,298,449.98 = 511,194.51 : x
  2. Step 2: Convert to fraction form
    940,910.85/1,298,449.98 = 511,194.51/x
  3. Step 3: Cross multiply
    940,910.85x = 1,298,449.98 × 511,194.51
  4. Step 4: Simplify right side
    940,910.85x = 663,760,501,285.61
  5. Step 5: Solve for x
    x = 663,760,501,285.61/940,910.85
  6. Step 6: Final answer
    x = 705,444.62

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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.