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Finding the Fourth Proportional to 681,514.86, 940,497.03 and 375,602.34

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Solution

The fourth proportional to 681,514.86, 940,497.03 and 375,602.34 is: 518,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,514.86 : 940,497.03 = 375,602.34 : x
  2. Step 2: Convert to fraction form
    681,514.86/940,497.03 = 375,602.34/x
  3. Step 3: Cross multiply
    681,514.86x = 940,497.03 × 375,602.34
  4. Step 4: Simplify right side
    681,514.86x = 353,252,885,231.05
  5. Step 5: Solve for x
    x = 353,252,885,231.05/681,514.86
  6. Step 6: Final answer
    x = 518,334.82

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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.