Home / 985,767.65-1,479,172.44-699,429.79

Finding the Fourth Proportional to 985,767.65, 1,479,172.44 and 699,429.79

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Solution

The fourth proportional to 985,767.65, 1,479,172.44 and 699,429.79 is: 1,049,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,767.65 : 1,479,172.44 = 699,429.79 : x
  2. Step 2: Convert to fraction form
    985,767.65/1,479,172.44 = 699,429.79/x
  3. Step 3: Cross multiply
    985,767.65x = 1,479,172.44 × 699,429.79
  4. Step 4: Simplify right side
    985,767.65x = 1,034,577,269,283.77
  5. Step 5: Solve for x
    x = 1,034,577,269,283.77/985,767.65
  6. Step 6: Final answer
    x = 1,049,514.32

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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.