Home / 855,573.45-1,180,796.89-488,141.05

Finding the Fourth Proportional to 855,573.45, 1,180,796.89 and 488,141.05

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Solution

The fourth proportional to 855,573.45, 1,180,796.89 and 488,141.05 is: 673,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,573.45 : 1,180,796.89 = 488,141.05 : x
  2. Step 2: Convert to fraction form
    855,573.45/1,180,796.89 = 488,141.05/x
  3. Step 3: Cross multiply
    855,573.45x = 1,180,796.89 × 488,141.05
  4. Step 4: Simplify right side
    855,573.45x = 576,395,431,280.63
  5. Step 5: Solve for x
    x = 576,395,431,280.63/855,573.45
  6. Step 6: Final answer
    x = 673,694.85

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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.