Home / 855,706.06-1,180,866.28-492,996.70

Finding the Fourth Proportional to 855,706.06, 1,180,866.28 and 492,996.70

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Solution

The fourth proportional to 855,706.06, 1,180,866.28 and 492,996.70 is: 680,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,706.06 : 1,180,866.28 = 492,996.70 : x
  2. Step 2: Convert to fraction form
    855,706.06/1,180,866.28 = 492,996.70/x
  3. Step 3: Cross multiply
    855,706.06x = 1,180,866.28 × 492,996.70
  4. Step 4: Simplify right side
    855,706.06x = 582,163,179,181.28
  5. Step 5: Solve for x
    x = 582,163,179,181.28/855,706.06
  6. Step 6: Final answer
    x = 680,330.79

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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.