Home / 910,942.80-1,366,273.64-311,766.32

Finding the Fourth Proportional to 910,942.80, 1,366,273.64 and 311,766.32

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Solution

The fourth proportional to 910,942.80, 1,366,273.64 and 311,766.32 is: 467,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,942.80 : 1,366,273.64 = 311,766.32 : x
  2. Step 2: Convert to fraction form
    910,942.80/1,366,273.64 = 311,766.32/x
  3. Step 3: Cross multiply
    910,942.80x = 1,366,273.64 × 311,766.32
  4. Step 4: Simplify right side
    910,942.80x = 425,958,104,855.81
  5. Step 5: Solve for x
    x = 425,958,104,855.81/910,942.80
  6. Step 6: Final answer
    x = 467,601.37

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1.5x scale

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.