Home / 856,736.73-1,182,346.43-494,175.87

Finding the Fourth Proportional to 856,736.73, 1,182,346.43 and 494,175.87

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Solution

The fourth proportional to 856,736.73, 1,182,346.43 and 494,175.87 is: 681,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,736.73 : 1,182,346.43 = 494,175.87 : x
  2. Step 2: Convert to fraction form
    856,736.73/1,182,346.43 = 494,175.87/x
  3. Step 3: Cross multiply
    856,736.73x = 1,182,346.43 × 494,175.87
  4. Step 4: Simplify right side
    856,736.73x = 584,287,073,215.77
  5. Step 5: Solve for x
    x = 584,287,073,215.77/856,736.73
  6. Step 6: Final answer
    x = 681,991.39

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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.