Home / 851,271.54-1,277,283.42-446,367.06

Finding the Fourth Proportional to 851,271.54, 1,277,283.42 and 446,367.06

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Solution

The fourth proportional to 851,271.54, 1,277,283.42 and 446,367.06 is: 669,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,271.54 : 1,277,283.42 = 446,367.06 : x
  2. Step 2: Convert to fraction form
    851,271.54/1,277,283.42 = 446,367.06/x
  3. Step 3: Cross multiply
    851,271.54x = 1,277,283.42 × 446,367.06
  4. Step 4: Simplify right side
    851,271.54x = 570,137,244,972.15
  5. Step 5: Solve for x
    x = 570,137,244,972.15/851,271.54
  6. Step 6: Final answer
    x = 669,747.80

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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.