Home / 957,241.54-1,320,993.63-521,659.03

Finding the Fourth Proportional to 957,241.54, 1,320,993.63 and 521,659.03

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Solution

The fourth proportional to 957,241.54, 1,320,993.63 and 521,659.03 is: 719,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,241.54 : 1,320,993.63 = 521,659.03 : x
  2. Step 2: Convert to fraction form
    957,241.54/1,320,993.63 = 521,659.03/x
  3. Step 3: Cross multiply
    957,241.54x = 1,320,993.63 × 521,659.03
  4. Step 4: Simplify right side
    957,241.54x = 689,108,255,661.98
  5. Step 5: Solve for x
    x = 689,108,255,661.98/957,241.54
  6. Step 6: Final answer
    x = 719,889.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.