Home / 910,120.52-1,364,731.26-278,882.12

Finding the Fourth Proportional to 910,120.52, 1,364,731.26 and 278,882.12

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Solution

The fourth proportional to 910,120.52, 1,364,731.26 and 278,882.12 is: 418,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,120.52 : 1,364,731.26 = 278,882.12 : x
  2. Step 2: Convert to fraction form
    910,120.52/1,364,731.26 = 278,882.12/x
  3. Step 3: Cross multiply
    910,120.52x = 1,364,731.26 × 278,882.12
  4. Step 4: Simplify right side
    910,120.52x = 380,599,147,019.07
  5. Step 5: Solve for x
    x = 380,599,147,019.07/910,120.52
  6. Step 6: Final answer
    x = 418,185.44

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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.