Home / 855,855.62-1,181,099.25-468,687.38

Finding the Fourth Proportional to 855,855.62, 1,181,099.25 and 468,687.38

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Solution

The fourth proportional to 855,855.62, 1,181,099.25 and 468,687.38 is: 646,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,855.62 : 1,181,099.25 = 468,687.38 : x
  2. Step 2: Convert to fraction form
    855,855.62/1,181,099.25 = 468,687.38/x
  3. Step 3: Cross multiply
    855,855.62x = 1,181,099.25 × 468,687.38
  4. Step 4: Simplify right side
    855,855.62x = 553,566,313,002.47
  5. Step 5: Solve for x
    x = 553,566,313,002.47/855,855.62
  6. Step 6: Final answer
    x = 646,798.71

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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.