Home / 784,378.29-1,082,421.03-444,839.25

Finding the Fourth Proportional to 784,378.29, 1,082,421.03 and 444,839.25

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Solution

The fourth proportional to 784,378.29, 1,082,421.03 and 444,839.25 is: 613,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,378.29 : 1,082,421.03 = 444,839.25 : x
  2. Step 2: Convert to fraction form
    784,378.29/1,082,421.03 = 444,839.25/x
  3. Step 3: Cross multiply
    784,378.29x = 1,082,421.03 × 444,839.25
  4. Step 4: Simplify right side
    784,378.29x = 481,503,359,169.43
  5. Step 5: Solve for x
    x = 481,503,359,169.43/784,378.29
  6. Step 6: Final answer
    x = 613,866.25

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1.5x scale

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.