Home / 887,021.55-1,330,532.33-325,983.15

Finding the Fourth Proportional to 887,021.55, 1,330,532.33 and 325,983.15

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Solution

The fourth proportional to 887,021.55, 1,330,532.33 and 325,983.15 is: 488,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,021.55 : 1,330,532.33 = 325,983.15 : x
  2. Step 2: Convert to fraction form
    887,021.55/1,330,532.33 = 325,983.15/x
  3. Step 3: Cross multiply
    887,021.55x = 1,330,532.33 × 325,983.15
  4. Step 4: Simplify right side
    887,021.55x = 433,731,118,480.32
  5. Step 5: Solve for x
    x = 433,731,118,480.32/887,021.55
  6. Step 6: Final answer
    x = 488,974.73

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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.