Home / 839,915.56-1,259,874.29-208,829.44

Finding the Fourth Proportional to 839,915.56, 1,259,874.29 and 208,829.44

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Solution

The fourth proportional to 839,915.56, 1,259,874.29 and 208,829.44 is: 313,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,915.56 : 1,259,874.29 = 208,829.44 : x
  2. Step 2: Convert to fraction form
    839,915.56/1,259,874.29 = 208,829.44/x
  3. Step 3: Cross multiply
    839,915.56x = 1,259,874.29 × 208,829.44
  4. Step 4: Simplify right side
    839,915.56x = 263,098,842,451.10
  5. Step 5: Solve for x
    x = 263,098,842,451.10/839,915.56
  6. Step 6: Final answer
    x = 313,244.40

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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.