Home / 851,271.52-1,277,283.44-446,367.04

Finding the Fourth Proportional to 851,271.52, 1,277,283.44 and 446,367.04

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Solution

The fourth proportional to 851,271.52, 1,277,283.44 and 446,367.04 is: 669,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,271.52 : 1,277,283.44 = 446,367.04 : x
  2. Step 2: Convert to fraction form
    851,271.52/1,277,283.44 = 446,367.04/x
  3. Step 3: Cross multiply
    851,271.52x = 1,277,283.44 × 446,367.04
  4. Step 4: Simplify right side
    851,271.52x = 570,137,228,353.82
  5. Step 5: Solve for x
    x = 570,137,228,353.82/851,271.52
  6. Step 6: Final answer
    x = 669,747.80

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1.5x scale

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.