Home / 980,261.18-1,470,482.48-381,267.80

Finding the Fourth Proportional to 980,261.18, 1,470,482.48 and 381,267.80

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Solution

The fourth proportional to 980,261.18, 1,470,482.48 and 381,267.80 is: 571,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,261.18 : 1,470,482.48 = 381,267.80 : x
  2. Step 2: Convert to fraction form
    980,261.18/1,470,482.48 = 381,267.80/x
  3. Step 3: Cross multiply
    980,261.18x = 1,470,482.48 × 381,267.80
  4. Step 4: Simplify right side
    980,261.18x = 560,647,612,735.73
  5. Step 5: Solve for x
    x = 560,647,612,735.73/980,261.18
  6. Step 6: Final answer
    x = 571,936.98

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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.