Home / 843,408.80-1,265,696.40-606,921.20

Finding the Fourth Proportional to 843,408.80, 1,265,696.40 and 606,921.20

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Solution

The fourth proportional to 843,408.80, 1,265,696.40 and 606,921.20 is: 910,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,408.80 : 1,265,696.40 = 606,921.20 : x
  2. Step 2: Convert to fraction form
    843,408.80/1,265,696.40 = 606,921.20/x
  3. Step 3: Cross multiply
    843,408.80x = 1,265,696.40 × 606,921.20
  4. Step 4: Simplify right side
    843,408.80x = 768,177,977,923.68
  5. Step 5: Solve for x
    x = 768,177,977,923.68/843,408.80
  6. Step 6: Final answer
    x = 910,801.47

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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.