Home / 938,899.44-1,408,860-399,071.16

Finding the Fourth Proportional to 938,899.44, 1,408,860 and 399,071.16

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Solution

The fourth proportional to 938,899.44, 1,408,860 and 399,071.16 is: 598,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,899.44 : 1,408,860 = 399,071.16 : x
  2. Step 2: Convert to fraction form
    938,899.44/1,408,860 = 399,071.16/x
  3. Step 3: Cross multiply
    938,899.44x = 1,408,860 × 399,071.16
  4. Step 4: Simplify right side
    938,899.44x = 562,235,394,477.60
  5. Step 5: Solve for x
    x = 562,235,394,477.60/938,899.44
  6. Step 6: Final answer
    x = 598,823.87

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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.