Home / 887,018.20-1,330,235.70-325,979.80

Finding the Fourth Proportional to 887,018.20, 1,330,235.70 and 325,979.80

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Solution

The fourth proportional to 887,018.20, 1,330,235.70 and 325,979.80 is: 488,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,018.20 : 1,330,235.70 = 325,979.80 : x
  2. Step 2: Convert to fraction form
    887,018.20/1,330,235.70 = 325,979.80/x
  3. Step 3: Cross multiply
    887,018.20x = 1,330,235.70 × 325,979.80
  4. Step 4: Simplify right side
    887,018.20x = 433,629,967,438.86
  5. Step 5: Solve for x
    x = 433,629,967,438.86/887,018.20
  6. Step 6: Final answer
    x = 488,862.54

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Double scale
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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.