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Finding the Fourth Proportional to 612,652.41, 845,335.44 and 357,954.39

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Solution

The fourth proportional to 612,652.41, 845,335.44 and 357,954.39 is: 493,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,652.41 : 845,335.44 = 357,954.39 : x
  2. Step 2: Convert to fraction form
    612,652.41/845,335.44 = 357,954.39/x
  3. Step 3: Cross multiply
    612,652.41x = 845,335.44 × 357,954.39
  4. Step 4: Simplify right side
    612,652.41x = 302,591,531,770.58
  5. Step 5: Solve for x
    x = 302,591,531,770.58/612,652.41
  6. Step 6: Final answer
    x = 493,904.09

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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.