Home / 892,981.58-1,339,482.81-261,908.06

Finding the Fourth Proportional to 892,981.58, 1,339,482.81 and 261,908.06

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Solution

The fourth proportional to 892,981.58, 1,339,482.81 and 261,908.06 is: 392,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,981.58 : 1,339,482.81 = 261,908.06 : x
  2. Step 2: Convert to fraction form
    892,981.58/1,339,482.81 = 261,908.06/x
  3. Step 3: Cross multiply
    892,981.58x = 1,339,482.81 × 261,908.06
  4. Step 4: Simplify right side
    892,981.58x = 350,821,344,170.45
  5. Step 5: Solve for x
    x = 350,821,344,170.45/892,981.58
  6. Step 6: Final answer
    x = 392,865.15

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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.