Home / 988,087.21-1,480,986.89-454,488.37

Finding the Fourth Proportional to 988,087.21, 1,480,986.89 and 454,488.37

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Solution

The fourth proportional to 988,087.21, 1,480,986.89 and 454,488.37 is: 681,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,087.21 : 1,480,986.89 = 454,488.37 : x
  2. Step 2: Convert to fraction form
    988,087.21/1,480,986.89 = 454,488.37/x
  3. Step 3: Cross multiply
    988,087.21x = 1,480,986.89 × 454,488.37
  4. Step 4: Simplify right side
    988,087.21x = 673,091,313,356.89
  5. Step 5: Solve for x
    x = 673,091,313,356.89/988,087.21
  6. Step 6: Final answer
    x = 681,206.38

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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.