Home / 855,577.20-1,180,724.40-492,972.96

Finding the Fourth Proportional to 855,577.20, 1,180,724.40 and 492,972.96

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Solution

The fourth proportional to 855,577.20, 1,180,724.40 and 492,972.96 is: 680,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,577.20 : 1,180,724.40 = 492,972.96 : x
  2. Step 2: Convert to fraction form
    855,577.20/1,180,724.40 = 492,972.96/x
  3. Step 3: Cross multiply
    855,577.20x = 1,180,724.40 × 492,972.96
  4. Step 4: Simplify right side
    855,577.20x = 582,065,202,412.22
  5. Step 5: Solve for x
    x = 582,065,202,412.22/855,577.20
  6. Step 6: Final answer
    x = 680,318.74

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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.