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Finding the Fourth Proportional to 622,309.44, 933,693.76 and 503,467.68

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Solution

The fourth proportional to 622,309.44, 933,693.76 and 503,467.68 is: 755,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,309.44 : 933,693.76 = 503,467.68 : x
  2. Step 2: Convert to fraction form
    622,309.44/933,693.76 = 503,467.68/x
  3. Step 3: Cross multiply
    622,309.44x = 933,693.76 × 503,467.68
  4. Step 4: Simplify right side
    622,309.44x = 470,084,631,177.68
  5. Step 5: Solve for x
    x = 470,084,631,177.68/622,309.44
  6. Step 6: Final answer
    x = 755,387.27

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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.