Home / 872,824.44-1,204,512.42-485,670.77

Finding the Fourth Proportional to 872,824.44, 1,204,512.42 and 485,670.77

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Solution

The fourth proportional to 872,824.44, 1,204,512.42 and 485,670.77 is: 670,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,824.44 : 1,204,512.42 = 485,670.77 : x
  2. Step 2: Convert to fraction form
    872,824.44/1,204,512.42 = 485,670.77/x
  3. Step 3: Cross multiply
    872,824.44x = 1,204,512.42 × 485,670.77
  4. Step 4: Simplify right side
    872,824.44x = 584,996,474,495.96
  5. Step 5: Solve for x
    x = 584,996,474,495.96/872,824.44
  6. Step 6: Final answer
    x = 670,233.84

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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.