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Finding the Fourth Proportional to 456,104.22, 683,866.56 and 400,056.90

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Solution

The fourth proportional to 456,104.22, 683,866.56 and 400,056.90 is: 599,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,104.22 : 683,866.56 = 400,056.90 : x
  2. Step 2: Convert to fraction form
    456,104.22/683,866.56 = 400,056.90/x
  3. Step 3: Cross multiply
    456,104.22x = 683,866.56 × 400,056.90
  4. Step 4: Simplify right side
    456,104.22x = 273,585,536,007.26
  5. Step 5: Solve for x
    x = 273,585,536,007.26/456,104.22
  6. Step 6: Final answer
    x = 599,831.19

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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.