Home / 816,419.70-1,224,629.55-606,467.70

Finding the Fourth Proportional to 816,419.70, 1,224,629.55 and 606,467.70

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Solution

The fourth proportional to 816,419.70, 1,224,629.55 and 606,467.70 is: 909,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,419.70 : 1,224,629.55 = 606,467.70 : x
  2. Step 2: Convert to fraction form
    816,419.70/1,224,629.55 = 606,467.70/x
  3. Step 3: Cross multiply
    816,419.70x = 1,224,629.55 × 606,467.70
  4. Step 4: Simplify right side
    816,419.70x = 742,698,266,540.54
  5. Step 5: Solve for x
    x = 742,698,266,540.54/816,419.70
  6. Step 6: Final answer
    x = 909,701.55

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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.