Home / 886,539.36-1,330,392.48-325,578.72

Finding the Fourth Proportional to 886,539.36, 1,330,392.48 and 325,578.72

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Solution

The fourth proportional to 886,539.36, 1,330,392.48 and 325,578.72 is: 488,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,539.36 : 1,330,392.48 = 325,578.72 : x
  2. Step 2: Convert to fraction form
    886,539.36/1,330,392.48 = 325,578.72/x
  3. Step 3: Cross multiply
    886,539.36x = 1,330,392.48 × 325,578.72
  4. Step 4: Simplify right side
    886,539.36x = 433,147,480,736.03
  5. Step 5: Solve for x
    x = 433,147,480,736.03/886,539.36
  6. Step 6: Final answer
    x = 488,582.35

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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.