Home / 744,360.56-1,116,540.84-323,636.44

Finding the Fourth Proportional to 744,360.56, 1,116,540.84 and 323,636.44

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Solution

The fourth proportional to 744,360.56, 1,116,540.84 and 323,636.44 is: 485,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,360.56 : 1,116,540.84 = 323,636.44 : x
  2. Step 2: Convert to fraction form
    744,360.56/1,116,540.84 = 323,636.44/x
  3. Step 3: Cross multiply
    744,360.56x = 1,116,540.84 × 323,636.44
  4. Step 4: Simplify right side
    744,360.56x = 361,353,302,572.21
  5. Step 5: Solve for x
    x = 361,353,302,572.21/744,360.56
  6. Step 6: Final answer
    x = 485,454.66

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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.