Home / 943,459.73-1,413,928.42-343,857.23

Finding the Fourth Proportional to 943,459.73, 1,413,928.42 and 343,857.23

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Solution

The fourth proportional to 943,459.73, 1,413,928.42 and 343,857.23 is: 515,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,459.73 : 1,413,928.42 = 343,857.23 : x
  2. Step 2: Convert to fraction form
    943,459.73/1,413,928.42 = 343,857.23/x
  3. Step 3: Cross multiply
    943,459.73x = 1,413,928.42 × 343,857.23
  4. Step 4: Simplify right side
    943,459.73x = 486,189,503,799.32
  5. Step 5: Solve for x
    x = 486,189,503,799.32/943,459.73
  6. Step 6: Final answer
    x = 515,326.19

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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.