Home / 888,121.80-1,225,620.99-500,955.67

Finding the Fourth Proportional to 888,121.80, 1,225,620.99 and 500,955.67

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Solution

The fourth proportional to 888,121.80, 1,225,620.99 and 500,955.67 is: 691,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,121.80 : 1,225,620.99 = 500,955.67 : x
  2. Step 2: Convert to fraction form
    888,121.80/1,225,620.99 = 500,955.67/x
  3. Step 3: Cross multiply
    888,121.80x = 1,225,620.99 × 500,955.67
  4. Step 4: Simplify right side
    888,121.80x = 613,981,785,743.54
  5. Step 5: Solve for x
    x = 613,981,785,743.54/888,121.80
  6. Step 6: Final answer
    x = 691,326.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.