Home / 612,716.27-845,489.23-354,541.73

Finding the Fourth Proportional to 612,716.27, 845,489.23 and 354,541.73

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Solution

The fourth proportional to 612,716.27, 845,489.23 and 354,541.73 is: 489,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,716.27 : 845,489.23 = 354,541.73 : x
  2. Step 2: Convert to fraction form
    612,716.27/845,489.23 = 354,541.73/x
  3. Step 3: Cross multiply
    612,716.27x = 845,489.23 × 354,541.73
  4. Step 4: Simplify right side
    612,716.27x = 299,761,209,186.77
  5. Step 5: Solve for x
    x = 299,761,209,186.77/612,716.27
  6. Step 6: Final answer
    x = 489,233.31

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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.