Home / 993,138.80-1,489,708.20-362,073.20

Finding the Fourth Proportional to 993,138.80, 1,489,708.20 and 362,073.20

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Solution

The fourth proportional to 993,138.80, 1,489,708.20 and 362,073.20 is: 543,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,138.80 : 1,489,708.20 = 362,073.20 : x
  2. Step 2: Convert to fraction form
    993,138.80/1,489,708.20 = 362,073.20/x
  3. Step 3: Cross multiply
    993,138.80x = 1,489,708.20 × 362,073.20
  4. Step 4: Simplify right side
    993,138.80x = 539,383,415,040.24
  5. Step 5: Solve for x
    x = 539,383,415,040.24/993,138.80
  6. Step 6: Final answer
    x = 543,109.80

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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.