Home / 988,932.70-1,483,583.57-449,226.89

Finding the Fourth Proportional to 988,932.70, 1,483,583.57 and 449,226.89

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Solution

The fourth proportional to 988,932.70, 1,483,583.57 and 449,226.89 is: 673,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,932.70 : 1,483,583.57 = 449,226.89 : x
  2. Step 2: Convert to fraction form
    988,932.70/1,483,583.57 = 449,226.89/x
  3. Step 3: Cross multiply
    988,932.70x = 1,483,583.57 × 449,226.89
  4. Step 4: Simplify right side
    988,932.70x = 666,465,627,881.06
  5. Step 5: Solve for x
    x = 666,465,627,881.06/988,932.70
  6. Step 6: Final answer
    x = 673,924.15

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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.