Home / 670,251.20-1,005,522.60-220,895.60

Finding the Fourth Proportional to 670,251.20, 1,005,522.60 and 220,895.60

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Solution

The fourth proportional to 670,251.20, 1,005,522.60 and 220,895.60 is: 331,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,251.20 : 1,005,522.60 = 220,895.60 : x
  2. Step 2: Convert to fraction form
    670,251.20/1,005,522.60 = 220,895.60/x
  3. Step 3: Cross multiply
    670,251.20x = 1,005,522.60 × 220,895.60
  4. Step 4: Simplify right side
    670,251.20x = 222,115,518,040.56
  5. Step 5: Solve for x
    x = 222,115,518,040.56/670,251.20
  6. Step 6: Final answer
    x = 331,391.45

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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.