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Finding the Fourth Proportional to 634,449.27, 875,562.30 and 347,970.51

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Solution

The fourth proportional to 634,449.27, 875,562.30 and 347,970.51 is: 480,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,449.27 : 875,562.30 = 347,970.51 : x
  2. Step 2: Convert to fraction form
    634,449.27/875,562.30 = 347,970.51/x
  3. Step 3: Cross multiply
    634,449.27x = 875,562.30 × 347,970.51
  4. Step 4: Simplify right side
    634,449.27x = 304,669,860,067.77
  5. Step 5: Solve for x
    x = 304,669,860,067.77/634,449.27
  6. Step 6: Final answer
    x = 480,211.54

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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.