Home / 876,146.80-1,314,382.44-277,258.72

Finding the Fourth Proportional to 876,146.80, 1,314,382.44 and 277,258.72

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Solution

The fourth proportional to 876,146.80, 1,314,382.44 and 277,258.72 is: 415,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,146.80 : 1,314,382.44 = 277,258.72 : x
  2. Step 2: Convert to fraction form
    876,146.80/1,314,382.44 = 277,258.72/x
  3. Step 3: Cross multiply
    876,146.80x = 1,314,382.44 × 277,258.72
  4. Step 4: Simplify right side
    876,146.80x = 364,423,992,904.88
  5. Step 5: Solve for x
    x = 364,423,992,904.88/876,146.80
  6. Step 6: Final answer
    x = 415,939.42

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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.