Home / 681,238.02-940,181.82-375,345.18

Finding the Fourth Proportional to 681,238.02, 940,181.82 and 375,345.18

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Solution

The fourth proportional to 681,238.02, 940,181.82 and 375,345.18 is: 518,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,238.02 : 940,181.82 = 375,345.18 : x
  2. Step 2: Convert to fraction form
    681,238.02/940,181.82 = 375,345.18/x
  3. Step 3: Cross multiply
    681,238.02x = 940,181.82 × 375,345.18
  4. Step 4: Simplify right side
    681,238.02x = 352,892,714,460.63
  5. Step 5: Solve for x
    x = 352,892,714,460.63/681,238.02
  6. Step 6: Final answer
    x = 518,016.76

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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.