Home / 670,335.44-1,005,289.48-220,972.56

Finding the Fourth Proportional to 670,335.44, 1,005,289.48 and 220,972.56

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Solution

The fourth proportional to 670,335.44, 1,005,289.48 and 220,972.56 is: 331,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,335.44 : 1,005,289.48 = 220,972.56 : x
  2. Step 2: Convert to fraction form
    670,335.44/1,005,289.48 = 220,972.56/x
  3. Step 3: Cross multiply
    670,335.44x = 1,005,289.48 × 220,972.56
  4. Step 4: Simplify right side
    670,335.44x = 222,141,389,936.67
  5. Step 5: Solve for x
    x = 222,141,389,936.67/670,335.44
  6. Step 6: Final answer
    x = 331,388.40

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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.