Home / 843,891.12-1,164,339.36-481,182.72

Finding the Fourth Proportional to 843,891.12, 1,164,339.36 and 481,182.72

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Solution

The fourth proportional to 843,891.12, 1,164,339.36 and 481,182.72 is: 663,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,891.12 : 1,164,339.36 = 481,182.72 : x
  2. Step 2: Convert to fraction form
    843,891.12/1,164,339.36 = 481,182.72/x
  3. Step 3: Cross multiply
    843,891.12x = 1,164,339.36 × 481,182.72
  4. Step 4: Simplify right side
    843,891.12x = 560,259,980,247.86
  5. Step 5: Solve for x
    x = 560,259,980,247.86/843,891.12
  6. Step 6: Final answer
    x = 663,900.79

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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.