Home / 925,840.36-1,388,914.44-318,604.42

Finding the Fourth Proportional to 925,840.36, 1,388,914.44 and 318,604.42

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Solution

The fourth proportional to 925,840.36, 1,388,914.44 and 318,604.42 is: 477,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,840.36 : 1,388,914.44 = 318,604.42 : x
  2. Step 2: Convert to fraction form
    925,840.36/1,388,914.44 = 318,604.42/x
  3. Step 3: Cross multiply
    925,840.36x = 1,388,914.44 × 318,604.42
  4. Step 4: Simplify right side
    925,840.36x = 442,514,279,585.83
  5. Step 5: Solve for x
    x = 442,514,279,585.83/925,840.36
  6. Step 6: Final answer
    x = 477,959.59

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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.