Home / 804,180.78-1,109,782.22-436,657.71

Finding the Fourth Proportional to 804,180.78, 1,109,782.22 and 436,657.71

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Solution

The fourth proportional to 804,180.78, 1,109,782.22 and 436,657.71 is: 602,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,180.78 : 1,109,782.22 = 436,657.71 : x
  2. Step 2: Convert to fraction form
    804,180.78/1,109,782.22 = 436,657.71/x
  3. Step 3: Cross multiply
    804,180.78x = 1,109,782.22 × 436,657.71
  4. Step 4: Simplify right side
    804,180.78x = 484,594,962,783.92
  5. Step 5: Solve for x
    x = 484,594,962,783.92/804,180.78
  6. Step 6: Final answer
    x = 602,594.56

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Double scale
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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.