Home / 876,400.93-1,314,469.60-277,284.12

Finding the Fourth Proportional to 876,400.93, 1,314,469.60 and 277,284.12

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Solution

The fourth proportional to 876,400.93, 1,314,469.60 and 277,284.12 is: 415,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,400.93 : 1,314,469.60 = 277,284.12 : x
  2. Step 2: Convert to fraction form
    876,400.93/1,314,469.60 = 277,284.12/x
  3. Step 3: Cross multiply
    876,400.93x = 1,314,469.60 × 277,284.12
  4. Step 4: Simplify right side
    876,400.93x = 364,481,546,302.75
  5. Step 5: Solve for x
    x = 364,481,546,302.75/876,400.93
  6. Step 6: Final answer
    x = 415,884.48

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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.