Home / 855,931.33-1,181,183.43-493,352.74

Finding the Fourth Proportional to 855,931.33, 1,181,183.43 and 493,352.74

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Solution

The fourth proportional to 855,931.33, 1,181,183.43 and 493,352.74 is: 680,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,931.33 : 1,181,183.43 = 493,352.74 : x
  2. Step 2: Convert to fraction form
    855,931.33/1,181,183.43 = 493,352.74/x
  3. Step 3: Cross multiply
    855,931.33x = 1,181,183.43 × 493,352.74
  4. Step 4: Simplify right side
    855,931.33x = 582,740,081,633.10
  5. Step 5: Solve for x
    x = 582,740,081,633.10/855,931.33
  6. Step 6: Final answer
    x = 680,825.74

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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.