Home / 876,823.91-1,315,272.32-277,771.81

Finding the Fourth Proportional to 876,823.91, 1,315,272.32 and 277,771.81

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Solution

The fourth proportional to 876,823.91, 1,315,272.32 and 277,771.81 is: 416,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,823.91 : 1,315,272.32 = 277,771.81 : x
  2. Step 2: Convert to fraction form
    876,823.91/1,315,272.32 = 277,771.81/x
  3. Step 3: Cross multiply
    876,823.91x = 1,315,272.32 × 277,771.81
  4. Step 4: Simplify right side
    876,823.91x = 365,345,569,333.90
  5. Step 5: Solve for x
    x = 365,345,569,333.90/876,823.91
  6. Step 6: Final answer
    x = 416,669.26

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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.