Home / 876,840.42-1,315,298.91-277,845.72

Finding the Fourth Proportional to 876,840.42, 1,315,298.91 and 277,845.72

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Solution

The fourth proportional to 876,840.42, 1,315,298.91 and 277,845.72 is: 416,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,840.42 : 1,315,298.91 = 277,845.72 : x
  2. Step 2: Convert to fraction form
    876,840.42/1,315,298.91 = 277,845.72/x
  3. Step 3: Cross multiply
    876,840.42x = 1,315,298.91 × 277,845.72
  4. Step 4: Simplify right side
    876,840.42x = 365,450,172,664.17
  5. Step 5: Solve for x
    x = 365,450,172,664.17/876,840.42
  6. Step 6: Final answer
    x = 416,780.71

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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.