Home / 784,976.29-1,082,983.84-445,247.71

Finding the Fourth Proportional to 784,976.29, 1,082,983.84 and 445,247.71

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Solution

The fourth proportional to 784,976.29, 1,082,983.84 and 445,247.71 is: 614,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,976.29 : 1,082,983.84 = 445,247.71 : x
  2. Step 2: Convert to fraction form
    784,976.29/1,082,983.84 = 445,247.71/x
  3. Step 3: Cross multiply
    784,976.29x = 1,082,983.84 × 445,247.71
  4. Step 4: Simplify right side
    784,976.29x = 482,196,074,727.01
  5. Step 5: Solve for x
    x = 482,196,074,727.01/784,976.29
  6. Step 6: Final answer
    x = 614,281.07

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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.