Home / 819,912.64-1,230,106.92-340,052.44

Finding the Fourth Proportional to 819,912.64, 1,230,106.92 and 340,052.44

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Solution

The fourth proportional to 819,912.64, 1,230,106.92 and 340,052.44 is: 510,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,912.64 : 1,230,106.92 = 340,052.44 : x
  2. Step 2: Convert to fraction form
    819,912.64/1,230,106.92 = 340,052.44/x
  3. Step 3: Cross multiply
    819,912.64x = 1,230,106.92 × 340,052.44
  4. Step 4: Simplify right side
    819,912.64x = 418,300,859,606.89
  5. Step 5: Solve for x
    x = 418,300,859,606.89/819,912.64
  6. Step 6: Final answer
    x = 510,177.35

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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.