Home / 830,912.90-1,246,579.61-231,873.98

Finding the Fourth Proportional to 830,912.90, 1,246,579.61 and 231,873.98

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Solution

The fourth proportional to 830,912.90, 1,246,579.61 and 231,873.98 is: 347,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,912.90 : 1,246,579.61 = 231,873.98 : x
  2. Step 2: Convert to fraction form
    830,912.90/1,246,579.61 = 231,873.98/x
  3. Step 3: Cross multiply
    830,912.90x = 1,246,579.61 × 231,873.98
  4. Step 4: Simplify right side
    830,912.90x = 289,049,369,904.34
  5. Step 5: Solve for x
    x = 289,049,369,904.34/830,912.90
  6. Step 6: Final answer
    x = 347,869.64

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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.