Home / 737,786.80-1,018,147.91-427,749.65

Finding the Fourth Proportional to 737,786.80, 1,018,147.91 and 427,749.65

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Solution

The fourth proportional to 737,786.80, 1,018,147.91 and 427,749.65 is: 590,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,786.80 : 1,018,147.91 = 427,749.65 : x
  2. Step 2: Convert to fraction form
    737,786.80/1,018,147.91 = 427,749.65/x
  3. Step 3: Cross multiply
    737,786.80x = 1,018,147.91 × 427,749.65
  4. Step 4: Simplify right side
    737,786.80x = 435,512,404,921.24
  5. Step 5: Solve for x
    x = 435,512,404,921.24/737,786.80
  6. Step 6: Final answer
    x = 590,295.74

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1.5x scale

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.