Home / 699,605.34-1,049,184.09-300,138.54

Finding the Fourth Proportional to 699,605.34, 1,049,184.09 and 300,138.54

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Solution

The fourth proportional to 699,605.34, 1,049,184.09 and 300,138.54 is: 450,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,605.34 : 1,049,184.09 = 300,138.54 : x
  2. Step 2: Convert to fraction form
    699,605.34/1,049,184.09 = 300,138.54/x
  3. Step 3: Cross multiply
    699,605.34x = 1,049,184.09 × 300,138.54
  4. Step 4: Simplify right side
    699,605.34x = 314,900,580,963.83
  5. Step 5: Solve for x
    x = 314,900,580,963.83/699,605.34
  6. Step 6: Final answer
    x = 450,111.75

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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.