Home / 855,470.70-1,180,844.64-493,039.32

Finding the Fourth Proportional to 855,470.70, 1,180,844.64 and 493,039.32

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Solution

The fourth proportional to 855,470.70, 1,180,844.64 and 493,039.32 is: 680,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,470.70 : 1,180,844.64 = 493,039.32 : x
  2. Step 2: Convert to fraction form
    855,470.70/1,180,844.64 = 493,039.32/x
  3. Step 3: Cross multiply
    855,470.70x = 1,180,844.64 × 493,039.32
  4. Step 4: Simplify right side
    855,470.70x = 582,202,838,331.25
  5. Step 5: Solve for x
    x = 582,202,838,331.25/855,470.70
  6. Step 6: Final answer
    x = 680,564.32

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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.