Home / 938,771.97-1,408,267.89-298,851.51

Finding the Fourth Proportional to 938,771.97, 1,408,267.89 and 298,851.51

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Solution

The fourth proportional to 938,771.97, 1,408,267.89 and 298,851.51 is: 448,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,771.97 : 1,408,267.89 = 298,851.51 : x
  2. Step 2: Convert to fraction form
    938,771.97/1,408,267.89 = 298,851.51/x
  3. Step 3: Cross multiply
    938,771.97x = 1,408,267.89 × 298,851.51
  4. Step 4: Simplify right side
    938,771.97x = 420,862,985,411.01
  5. Step 5: Solve for x
    x = 420,862,985,411.01/938,771.97
  6. Step 6: Final answer
    x = 448,312.26

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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.