Home / 855,758.76-1,181,071.46-493,112.04

Finding the Fourth Proportional to 855,758.76, 1,181,071.46 and 493,112.04

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Solution

The fourth proportional to 855,758.76, 1,181,071.46 and 493,112.04 is: 680,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,758.76 : 1,181,071.46 = 493,112.04 : x
  2. Step 2: Convert to fraction form
    855,758.76/1,181,071.46 = 493,112.04/x
  3. Step 3: Cross multiply
    855,758.76x = 1,181,071.46 × 493,112.04
  4. Step 4: Simplify right side
    855,758.76x = 582,400,557,026.38
  5. Step 5: Solve for x
    x = 582,400,557,026.38/855,758.76
  6. Step 6: Final answer
    x = 680,566.28

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Double scale
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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.