Home / 743,433.64-1,115,284.86-270,782.44

Finding the Fourth Proportional to 743,433.64, 1,115,284.86 and 270,782.44

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Solution

The fourth proportional to 743,433.64, 1,115,284.86 and 270,782.44 is: 406,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,433.64 : 1,115,284.86 = 270,782.44 : x
  2. Step 2: Convert to fraction form
    743,433.64/1,115,284.86 = 270,782.44/x
  3. Step 3: Cross multiply
    743,433.64x = 1,115,284.86 × 270,782.44
  4. Step 4: Simplify right side
    743,433.64x = 301,999,555,685.86
  5. Step 5: Solve for x
    x = 301,999,555,685.86/743,433.64
  6. Step 6: Final answer
    x = 406,222.61

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1.5x scale

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.