Home / 855,701.43-1,180,859.90-492,992.07

Finding the Fourth Proportional to 855,701.43, 1,180,859.90 and 492,992.07

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Solution

The fourth proportional to 855,701.43, 1,180,859.90 and 492,992.07 is: 680,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,701.43 : 1,180,859.90 = 492,992.07 : x
  2. Step 2: Convert to fraction form
    855,701.43/1,180,859.90 = 492,992.07/x
  3. Step 3: Cross multiply
    855,701.43x = 1,180,859.90 × 492,992.07
  4. Step 4: Simplify right side
    855,701.43x = 582,154,564,016.03
  5. Step 5: Solve for x
    x = 582,154,564,016.03/855,701.43
  6. Step 6: Final answer
    x = 680,324.40

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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.