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Finding the Fourth Proportional to 574,795.65, 793,232.01 and 320,151.09

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Solution

The fourth proportional to 574,795.65, 793,232.01 and 320,151.09 is: 441,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,795.65 : 793,232.01 = 320,151.09 : x
  2. Step 2: Convert to fraction form
    574,795.65/793,232.01 = 320,151.09/x
  3. Step 3: Cross multiply
    574,795.65x = 793,232.01 × 320,151.09
  4. Step 4: Simplify right side
    574,795.65x = 253,954,092,624.39
  5. Step 5: Solve for x
    x = 253,954,092,624.39/574,795.65
  6. Step 6: Final answer
    x = 441,816.31

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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.