Home / 874,176.94-1,311,498.75-313,268.14

Finding the Fourth Proportional to 874,176.94, 1,311,498.75 and 313,268.14

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Solution

The fourth proportional to 874,176.94, 1,311,498.75 and 313,268.14 is: 469,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,176.94 : 1,311,498.75 = 313,268.14 : x
  2. Step 2: Convert to fraction form
    874,176.94/1,311,498.75 = 313,268.14/x
  3. Step 3: Cross multiply
    874,176.94x = 1,311,498.75 × 313,268.14
  4. Step 4: Simplify right side
    874,176.94x = 410,850,771,993.87
  5. Step 5: Solve for x
    x = 410,850,771,993.87/874,176.94
  6. Step 6: Final answer
    x = 469,985.83

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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.