Home / 872,086.83-1,203,579.60-484,940.85

Finding the Fourth Proportional to 872,086.83, 1,203,579.60 and 484,940.85

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Solution

The fourth proportional to 872,086.83, 1,203,579.60 and 484,940.85 is: 669,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,086.83 : 1,203,579.60 = 484,940.85 : x
  2. Step 2: Convert to fraction form
    872,086.83/1,203,579.60 = 484,940.85/x
  3. Step 3: Cross multiply
    872,086.83x = 1,203,579.60 × 484,940.85
  4. Step 4: Simplify right side
    872,086.83x = 583,664,914,266.66
  5. Step 5: Solve for x
    x = 583,664,914,266.66/872,086.83
  6. Step 6: Final answer
    x = 669,273.85

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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.