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Finding the Fourth Proportional to 879,882.91, 1,214,238.41 and 477,474.91

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Solution

The fourth proportional to 879,882.91, 1,214,238.41 and 477,474.91 is: 658,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,882.91 : 1,214,238.41 = 477,474.91 : x
  2. Step 2: Convert to fraction form
    879,882.91/1,214,238.41 = 477,474.91/x
  3. Step 3: Cross multiply
    879,882.91x = 1,214,238.41 × 477,474.91
  4. Step 4: Simplify right side
    879,882.91x = 579,768,375,533.29
  5. Step 5: Solve for x
    x = 579,768,375,533.29/879,882.91
  6. Step 6: Final answer
    x = 658,915.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.