Home / 744,364.54-1,116,546.81-323,640.46

Finding the Fourth Proportional to 744,364.54, 1,116,546.81 and 323,640.46

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Solution

The fourth proportional to 744,364.54, 1,116,546.81 and 323,640.46 is: 485,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,364.54 : 1,116,546.81 = 323,640.46 : x
  2. Step 2: Convert to fraction form
    744,364.54/1,116,546.81 = 323,640.46/x
  3. Step 3: Cross multiply
    744,364.54x = 1,116,546.81 × 323,640.46
  4. Step 4: Simplify right side
    744,364.54x = 361,359,723,199.93
  5. Step 5: Solve for x
    x = 361,359,723,199.93/744,364.54
  6. Step 6: Final answer
    x = 485,460.69

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Double scale
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Similar ratio
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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.