Home / 886,988.40-1,330,482.60-325,906.80

Finding the Fourth Proportional to 886,988.40, 1,330,482.60 and 325,906.80

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Solution

The fourth proportional to 886,988.40, 1,330,482.60 and 325,906.80 is: 488,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,988.40 : 1,330,482.60 = 325,906.80 : x
  2. Step 2: Convert to fraction form
    886,988.40/1,330,482.60 = 325,906.80/x
  3. Step 3: Cross multiply
    886,988.40x = 1,330,482.60 × 325,906.80
  4. Step 4: Simplify right side
    886,988.40x = 433,613,326,621.68
  5. Step 5: Solve for x
    x = 433,613,326,621.68/886,988.40
  6. Step 6: Final answer
    x = 488,860.20

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Similar ratio
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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.