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Finding the Fourth Proportional to 550,553.23, 759,762.22 and 305,575.53

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Solution

The fourth proportional to 550,553.23, 759,762.22 and 305,575.53 is: 421,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,553.23 : 759,762.22 = 305,575.53 : x
  2. Step 2: Convert to fraction form
    550,553.23/759,762.22 = 305,575.53/x
  3. Step 3: Cross multiply
    550,553.23x = 759,762.22 × 305,575.53
  4. Step 4: Simplify right side
    550,553.23x = 232,164,743,050.48
  5. Step 5: Solve for x
    x = 232,164,743,050.48/550,553.23
  6. Step 6: Final answer
    x = 421,693.54

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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.