Home / 838,214.20-1,257,508.81-305,735.23

Finding the Fourth Proportional to 838,214.20, 1,257,508.81 and 305,735.23

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Solution

The fourth proportional to 838,214.20, 1,257,508.81 and 305,735.23 is: 458,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,214.20 : 1,257,508.81 = 305,735.23 : x
  2. Step 2: Convert to fraction form
    838,214.20/1,257,508.81 = 305,735.23/x
  3. Step 3: Cross multiply
    838,214.20x = 1,257,508.81 × 305,735.23
  4. Step 4: Simplify right side
    838,214.20x = 384,464,747,705.33
  5. Step 5: Solve for x
    x = 384,464,747,705.33/838,214.20
  6. Step 6: Final answer
    x = 458,671.24

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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.