Home / 851,659.63-1,277,704.26-283,043.71

Finding the Fourth Proportional to 851,659.63, 1,277,704.26 and 283,043.71

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Solution

The fourth proportional to 851,659.63, 1,277,704.26 and 283,043.71 is: 424,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,659.63 : 1,277,704.26 = 283,043.71 : x
  2. Step 2: Convert to fraction form
    851,659.63/1,277,704.26 = 283,043.71/x
  3. Step 3: Cross multiply
    851,659.63x = 1,277,704.26 × 283,043.71
  4. Step 4: Simplify right side
    851,659.63x = 361,646,154,033.21
  5. Step 5: Solve for x
    x = 361,646,154,033.21/851,659.63
  6. Step 6: Final answer
    x = 424,636.96

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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.