Home / 699,408.03-1,048,984.07-187,079.79

Finding the Fourth Proportional to 699,408.03, 1,048,984.07 and 187,079.79

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Solution

The fourth proportional to 699,408.03, 1,048,984.07 and 187,079.79 is: 280,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,408.03 : 1,048,984.07 = 187,079.79 : x
  2. Step 2: Convert to fraction form
    699,408.03/1,048,984.07 = 187,079.79/x
  3. Step 3: Cross multiply
    699,408.03x = 1,048,984.07 × 187,079.79
  4. Step 4: Simplify right side
    699,408.03x = 196,243,718,593.55
  5. Step 5: Solve for x
    x = 196,243,718,593.55/699,408.03
  6. Step 6: Final answer
    x = 280,585.45

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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.