Home / 905,352.52-1,358,031.75-336,858.88

Finding the Fourth Proportional to 905,352.52, 1,358,031.75 and 336,858.88

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Solution

The fourth proportional to 905,352.52, 1,358,031.75 and 336,858.88 is: 505,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,352.52 : 1,358,031.75 = 336,858.88 : x
  2. Step 2: Convert to fraction form
    905,352.52/1,358,031.75 = 336,858.88/x
  3. Step 3: Cross multiply
    905,352.52x = 1,358,031.75 × 336,858.88
  4. Step 4: Simplify right side
    905,352.52x = 457,465,054,309.44
  5. Step 5: Solve for x
    x = 457,465,054,309.44/905,352.52
  6. Step 6: Final answer
    x = 505,289.43

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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.