Home / 876,956.72-1,315,471.68-277,904.64

Finding the Fourth Proportional to 876,956.72, 1,315,471.68 and 277,904.64

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Solution

The fourth proportional to 876,956.72, 1,315,471.68 and 277,904.64 is: 416,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,956.72 : 1,315,471.68 = 277,904.64 : x
  2. Step 2: Convert to fraction form
    876,956.72/1,315,471.68 = 277,904.64/x
  3. Step 3: Cross multiply
    876,956.72x = 1,315,471.68 × 277,904.64
  4. Step 4: Simplify right side
    876,956.72x = 365,575,683,660.60
  5. Step 5: Solve for x
    x = 365,575,683,660.60/876,956.72
  6. Step 6: Final answer
    x = 416,868.56

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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.