Home / 957,242.54-1,320,995.01-521,660.03

Finding the Fourth Proportional to 957,242.54, 1,320,995.01 and 521,660.03

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Solution

The fourth proportional to 957,242.54, 1,320,995.01 and 521,660.03 is: 719,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,242.54 : 1,320,995.01 = 521,660.03 : x
  2. Step 2: Convert to fraction form
    957,242.54/1,320,995.01 = 521,660.03/x
  3. Step 3: Cross multiply
    957,242.54x = 1,320,995.01 × 521,660.03
  4. Step 4: Simplify right side
    957,242.54x = 689,110,296,546.45
  5. Step 5: Solve for x
    x = 689,110,296,546.45/957,242.54
  6. Step 6: Final answer
    x = 719,891.01

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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.