Home / 855,705.68-1,180,865.76-492,996.32

Finding the Fourth Proportional to 855,705.68, 1,180,865.76 and 492,996.32

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Solution

The fourth proportional to 855,705.68, 1,180,865.76 and 492,996.32 is: 680,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,705.68 : 1,180,865.76 = 492,996.32 : x
  2. Step 2: Convert to fraction form
    855,705.68/1,180,865.76 = 492,996.32/x
  3. Step 3: Cross multiply
    855,705.68x = 1,180,865.76 × 492,996.32
  4. Step 4: Simplify right side
    855,705.68x = 582,162,474,094.00
  5. Step 5: Solve for x
    x = 582,162,474,094.00/855,705.68
  6. Step 6: Final answer
    x = 680,330.27

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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.