Home / 634,971.86-876,314.94-348,540.46

Finding the Fourth Proportional to 634,971.86, 876,314.94 and 348,540.46

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Solution

The fourth proportional to 634,971.86, 876,314.94 and 348,540.46 is: 481,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,971.86 : 876,314.94 = 348,540.46 : x
  2. Step 2: Convert to fraction form
    634,971.86/876,314.94 = 348,540.46/x
  3. Step 3: Cross multiply
    634,971.86x = 876,314.94 × 348,540.46
  4. Step 4: Simplify right side
    634,971.86x = 305,431,212,292.47
  5. Step 5: Solve for x
    x = 305,431,212,292.47/634,971.86
  6. Step 6: Final answer
    x = 481,015.35

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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.