Home / 762,858.88-1,052,769.42-440,563.12

Finding the Fourth Proportional to 762,858.88, 1,052,769.42 and 440,563.12

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Solution

The fourth proportional to 762,858.88, 1,052,769.42 and 440,563.12 is: 607,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,858.88 : 1,052,769.42 = 440,563.12 : x
  2. Step 2: Convert to fraction form
    762,858.88/1,052,769.42 = 440,563.12/x
  3. Step 3: Cross multiply
    762,858.88x = 1,052,769.42 × 440,563.12
  4. Step 4: Simplify right side
    762,858.88x = 463,811,380,315.79
  5. Step 5: Solve for x
    x = 463,811,380,315.79/762,858.88
  6. Step 6: Final answer
    x = 607,991.06

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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.