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Finding the Fourth Proportional to 574,628.90, 792,987.87 and 333,051.60

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Solution

The fourth proportional to 574,628.90, 792,987.87 and 333,051.60 is: 459,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,628.90 : 792,987.87 = 333,051.60 : x
  2. Step 2: Convert to fraction form
    574,628.90/792,987.87 = 333,051.60/x
  3. Step 3: Cross multiply
    574,628.90x = 792,987.87 × 333,051.60
  4. Step 4: Simplify right side
    574,628.90x = 264,105,878,884.09
  5. Step 5: Solve for x
    x = 264,105,878,884.09/574,628.90
  6. Step 6: Final answer
    x = 459,611.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.