Home / 744,178.26-1,116,247.23-211,735.86

Finding the Fourth Proportional to 744,178.26, 1,116,247.23 and 211,735.86

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Solution

The fourth proportional to 744,178.26, 1,116,247.23 and 211,735.86 is: 317,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,178.26 : 1,116,247.23 = 211,735.86 : x
  2. Step 2: Convert to fraction form
    744,178.26/1,116,247.23 = 211,735.86/x
  3. Step 3: Cross multiply
    744,178.26x = 1,116,247.23 × 211,735.86
  4. Step 4: Simplify right side
    744,178.26x = 236,349,567,216.67
  5. Step 5: Solve for x
    x = 236,349,567,216.67/744,178.26
  6. Step 6: Final answer
    x = 317,598.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.