Home / 830,912.83-1,246,579.52-231,873.91

Finding the Fourth Proportional to 830,912.83, 1,246,579.52 and 231,873.91

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Solution

The fourth proportional to 830,912.83, 1,246,579.52 and 231,873.91 is: 347,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,912.83 : 1,246,579.52 = 231,873.91 : x
  2. Step 2: Convert to fraction form
    830,912.83/1,246,579.52 = 231,873.91/x
  3. Step 3: Cross multiply
    830,912.83x = 1,246,579.52 × 231,873.91
  4. Step 4: Simplify right side
    830,912.83x = 289,049,270,254.93
  5. Step 5: Solve for x
    x = 289,049,270,254.93/830,912.83
  6. Step 6: Final answer
    x = 347,869.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.