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Finding the Fourth Proportional to 567,984.80, 850,940.40 and 346,109.60

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Solution

The fourth proportional to 567,984.80, 850,940.40 and 346,109.60 is: 518,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,984.80 : 850,940.40 = 346,109.60 : x
  2. Step 2: Convert to fraction form
    567,984.80/850,940.40 = 346,109.60/x
  3. Step 3: Cross multiply
    567,984.80x = 850,940.40 × 346,109.60
  4. Step 4: Simplify right side
    567,984.80x = 294,518,641,467.84
  5. Step 5: Solve for x
    x = 294,518,641,467.84/567,984.80
  6. Step 6: Final answer
    x = 518,532.61

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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.