Home / 681,988.07-1,022,427.32-255,284.89

Finding the Fourth Proportional to 681,988.07, 1,022,427.32 and 255,284.89

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Solution

The fourth proportional to 681,988.07, 1,022,427.32 and 255,284.89 is: 382,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,988.07 : 1,022,427.32 = 255,284.89 : x
  2. Step 2: Convert to fraction form
    681,988.07/1,022,427.32 = 255,284.89/x
  3. Step 3: Cross multiply
    681,988.07x = 1,022,427.32 × 255,284.89
  4. Step 4: Simplify right side
    681,988.07x = 261,010,245,919.20
  5. Step 5: Solve for x
    x = 261,010,245,919.20/681,988.07
  6. Step 6: Final answer
    x = 382,719.67

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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.