Home / 612,999.06-845,942.88-341,078.41

Finding the Fourth Proportional to 612,999.06, 845,942.88 and 341,078.41

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Solution

The fourth proportional to 612,999.06, 845,942.88 and 341,078.41 is: 470,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,999.06 : 845,942.88 = 341,078.41 : x
  2. Step 2: Convert to fraction form
    612,999.06/845,942.88 = 341,078.41/x
  3. Step 3: Cross multiply
    612,999.06x = 845,942.88 × 341,078.41
  4. Step 4: Simplify right side
    612,999.06x = 288,532,852,461.22
  5. Step 5: Solve for x
    x = 288,532,852,461.22/612,999.06
  6. Step 6: Final answer
    x = 470,690.53

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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.