Home / 324,416.85-444,443.66-312,287.53

Finding the Fourth Proportional to 324,416.85, 444,443.66 and 312,287.53

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Solution

The fourth proportional to 324,416.85, 444,443.66 and 312,287.53 is: 427,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,416.85 : 444,443.66 = 312,287.53 : x
  2. Step 2: Convert to fraction form
    324,416.85/444,443.66 = 312,287.53/x
  3. Step 3: Cross multiply
    324,416.85x = 444,443.66 × 312,287.53
  4. Step 4: Simplify right side
    324,416.85x = 138,794,210,887.43
  5. Step 5: Solve for x
    x = 138,794,210,887.43/324,416.85
  6. Step 6: Final answer
    x = 427,826.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.