Home / 886,866.80-1,330,300.20-325,828.40

Finding the Fourth Proportional to 886,866.80, 1,330,300.20 and 325,828.40

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Solution

The fourth proportional to 886,866.80, 1,330,300.20 and 325,828.40 is: 488,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,866.80 : 1,330,300.20 = 325,828.40 : x
  2. Step 2: Convert to fraction form
    886,866.80/1,330,300.20 = 325,828.40/x
  3. Step 3: Cross multiply
    886,866.80x = 1,330,300.20 × 325,828.40
  4. Step 4: Simplify right side
    886,866.80x = 433,449,585,685.68
  5. Step 5: Solve for x
    x = 433,449,585,685.68/886,866.80
  6. Step 6: Final answer
    x = 488,742.60

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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.