Home / 670,422.80-1,004,856.60-270,801.20

Finding the Fourth Proportional to 670,422.80, 1,004,856.60 and 270,801.20

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Solution

The fourth proportional to 670,422.80, 1,004,856.60 and 270,801.20 is: 405,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,422.80 : 1,004,856.60 = 270,801.20 : x
  2. Step 2: Convert to fraction form
    670,422.80/1,004,856.60 = 270,801.20/x
  3. Step 3: Cross multiply
    670,422.80x = 1,004,856.60 × 270,801.20
  4. Step 4: Simplify right side
    670,422.80x = 272,116,373,107.92
  5. Step 5: Solve for x
    x = 272,116,373,107.92/670,422.80
  6. Step 6: Final answer
    x = 405,887.71

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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.