Home / 855,704.68-1,180,864.38-492,995.32

Finding the Fourth Proportional to 855,704.68, 1,180,864.38 and 492,995.32

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Solution

The fourth proportional to 855,704.68, 1,180,864.38 and 492,995.32 is: 680,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,704.68 : 1,180,864.38 = 492,995.32 : x
  2. Step 2: Convert to fraction form
    855,704.68/1,180,864.38 = 492,995.32/x
  3. Step 3: Cross multiply
    855,704.68x = 1,180,864.38 × 492,995.32
  4. Step 4: Simplify right side
    855,704.68x = 582,160,612,894.70
  5. Step 5: Solve for x
    x = 582,160,612,894.70/855,704.68
  6. Step 6: Final answer
    x = 680,328.89

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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.