Home / 909,688.44-1,364,532.64-510,609.54

Finding the Fourth Proportional to 909,688.44, 1,364,532.64 and 510,609.54

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Solution

The fourth proportional to 909,688.44, 1,364,532.64 and 510,609.54 is: 765,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,688.44 : 1,364,532.64 = 510,609.54 : x
  2. Step 2: Convert to fraction form
    909,688.44/1,364,532.64 = 510,609.54/x
  3. Step 3: Cross multiply
    909,688.44x = 1,364,532.64 × 510,609.54
  4. Step 4: Simplify right side
    909,688.44x = 696,743,383,625.39
  5. Step 5: Solve for x
    x = 696,743,383,625.39/909,688.44
  6. Step 6: Final answer
    x = 765,914.30

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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.