Home / 612,998.50-845,942.16-341,077.86

Finding the Fourth Proportional to 612,998.50, 845,942.16 and 341,077.86

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Solution

The fourth proportional to 612,998.50, 845,942.16 and 341,077.86 is: 470,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,998.50 : 845,942.16 = 341,077.86 : x
  2. Step 2: Convert to fraction form
    612,998.50/845,942.16 = 341,077.86/x
  3. Step 3: Cross multiply
    612,998.50x = 845,942.16 × 341,077.86
  4. Step 4: Simplify right side
    612,998.50x = 288,532,141,616.58
  5. Step 5: Solve for x
    x = 288,532,141,616.58/612,998.50
  6. Step 6: Final answer
    x = 470,689.80

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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.