Home / 988,818.35-1,483,096.37-278,903.57

Finding the Fourth Proportional to 988,818.35, 1,483,096.37 and 278,903.57

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Solution

The fourth proportional to 988,818.35, 1,483,096.37 and 278,903.57 is: 418,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,818.35 : 1,483,096.37 = 278,903.57 : x
  2. Step 2: Convert to fraction form
    988,818.35/1,483,096.37 = 278,903.57/x
  3. Step 3: Cross multiply
    988,818.35x = 1,483,096.37 × 278,903.57
  4. Step 4: Simplify right side
    988,818.35x = 413,640,863,437.04
  5. Step 5: Solve for x
    x = 413,640,863,437.04/988,818.35
  6. Step 6: Final answer
    x = 418,318.35

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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.