Home / 855,984.51-1,181,215.91-493,386.39

Finding the Fourth Proportional to 855,984.51, 1,181,215.91 and 493,386.39

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Solution

The fourth proportional to 855,984.51, 1,181,215.91 and 493,386.39 is: 680,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,984.51 : 1,181,215.91 = 493,386.39 : x
  2. Step 2: Convert to fraction form
    855,984.51/1,181,215.91 = 493,386.39/x
  3. Step 3: Cross multiply
    855,984.51x = 1,181,215.91 × 493,386.39
  4. Step 4: Simplify right side
    855,984.51x = 582,795,854,878.93
  5. Step 5: Solve for x
    x = 582,795,854,878.93/855,984.51
  6. Step 6: Final answer
    x = 680,848.60

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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.