Home / 699,705.45-1,049,563.05-300,009.33

Finding the Fourth Proportional to 699,705.45, 1,049,563.05 and 300,009.33

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Solution

The fourth proportional to 699,705.45, 1,049,563.05 and 300,009.33 is: 450,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,705.45 : 1,049,563.05 = 300,009.33 : x
  2. Step 2: Convert to fraction form
    699,705.45/1,049,563.05 = 300,009.33/x
  3. Step 3: Cross multiply
    699,705.45x = 1,049,563.05 × 300,009.33
  4. Step 4: Simplify right side
    699,705.45x = 314,878,707,423.26
  5. Step 5: Solve for x
    x = 314,878,707,423.26/699,705.45
  6. Step 6: Final answer
    x = 450,016.09

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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.