Home / 988,131.88-1,481,068.74-448,799.44

Finding the Fourth Proportional to 988,131.88, 1,481,068.74 and 448,799.44

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Solution

The fourth proportional to 988,131.88, 1,481,068.74 and 448,799.44 is: 672,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,131.88 : 1,481,068.74 = 448,799.44 : x
  2. Step 2: Convert to fraction form
    988,131.88/1,481,068.74 = 448,799.44/x
  3. Step 3: Cross multiply
    988,131.88x = 1,481,068.74 × 448,799.44
  4. Step 4: Simplify right side
    988,131.88x = 664,702,821,113.51
  5. Step 5: Solve for x
    x = 664,702,821,113.51/988,131.88
  6. Step 6: Final answer
    x = 672,686.34

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1.5x scale

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.