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Finding the Fourth Proportional to 634,881.07, 876,092.74 and 348,419.61

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Solution

The fourth proportional to 634,881.07, 876,092.74 and 348,419.61 is: 480,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,881.07 : 876,092.74 = 348,419.61 : x
  2. Step 2: Convert to fraction form
    634,881.07/876,092.74 = 348,419.61/x
  3. Step 3: Cross multiply
    634,881.07x = 876,092.74 × 348,419.61
  4. Step 4: Simplify right side
    634,881.07x = 305,247,890,794.63
  5. Step 5: Solve for x
    x = 305,247,890,794.63/634,881.07
  6. Step 6: Final answer
    x = 480,795.39

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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.