Home / 912,091.37-1,368,164.85-313,043.82

Finding the Fourth Proportional to 912,091.37, 1,368,164.85 and 313,043.82

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Solution

The fourth proportional to 912,091.37, 1,368,164.85 and 313,043.82 is: 469,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,091.37 : 1,368,164.85 = 313,043.82 : x
  2. Step 2: Convert to fraction form
    912,091.37/1,368,164.85 = 313,043.82/x
  3. Step 3: Cross multiply
    912,091.37x = 1,368,164.85 × 313,043.82
  4. Step 4: Simplify right side
    912,091.37x = 428,295,551,033.73
  5. Step 5: Solve for x
    x = 428,295,551,033.73/912,091.37
  6. Step 6: Final answer
    x = 469,575.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.