Home / 979,848.19-1,469,771.75-305,987.25

Finding the Fourth Proportional to 979,848.19, 1,469,771.75 and 305,987.25

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Solution

The fourth proportional to 979,848.19, 1,469,771.75 and 305,987.25 is: 458,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,848.19 : 1,469,771.75 = 305,987.25 : x
  2. Step 2: Convert to fraction form
    979,848.19/1,469,771.75 = 305,987.25/x
  3. Step 3: Cross multiply
    979,848.19x = 1,469,771.75 × 305,987.25
  4. Step 4: Simplify right side
    979,848.19x = 449,731,412,198.16
  5. Step 5: Solve for x
    x = 449,731,412,198.16/979,848.19
  6. Step 6: Final answer
    x = 458,980.70

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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.