Home / 825,739.23-1,238,548.71-370,471.44

Finding the Fourth Proportional to 825,739.23, 1,238,548.71 and 370,471.44

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Solution

The fourth proportional to 825,739.23, 1,238,548.71 and 370,471.44 is: 555,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,739.23 : 1,238,548.71 = 370,471.44 : x
  2. Step 2: Convert to fraction form
    825,739.23/1,238,548.71 = 370,471.44/x
  3. Step 3: Cross multiply
    825,739.23x = 1,238,548.71 × 370,471.44
  4. Step 4: Simplify right side
    825,739.23x = 458,846,924,103.84
  5. Step 5: Solve for x
    x = 458,846,924,103.84/825,739.23
  6. Step 6: Final answer
    x = 555,680.18

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1.5x scale

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.