Home / 892,350.05-1,340,995.38-870,718.64

Finding the Fourth Proportional to 892,350.05, 1,340,995.38 and 870,718.64

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Solution

The fourth proportional to 892,350.05, 1,340,995.38 and 870,718.64 is: 1,308,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,350.05 : 1,340,995.38 = 870,718.64 : x
  2. Step 2: Convert to fraction form
    892,350.05/1,340,995.38 = 870,718.64/x
  3. Step 3: Cross multiply
    892,350.05x = 1,340,995.38 × 870,718.64
  4. Step 4: Simplify right side
    892,350.05x = 1,167,629,666,814.91
  5. Step 5: Solve for x
    x = 1,167,629,666,814.91/892,350.05
  6. Step 6: Final answer
    x = 1,308,488.38

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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.