Finding the Fourth Proportional to 722,769.94, 1,084,056.50 and 190,246.38
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Solution
The fourth proportional to 722,769.94, 1,084,056.50 and 190,246.38 is: 285,343.66
Step by Step Solution
- Step 1: Write the proportion equation
722,769.94 : 1,084,056.50 = 190,246.38 : x - Step 2: Convert to fraction form
722,769.94/1,084,056.50 = 190,246.38/x - Step 3: Cross multiply
722,769.94x = 1,084,056.50 × 190,246.38 - Step 4: Simplify right side
722,769.94x = 206,237,824,032.24 - Step 5: Solve for x
x = 206,237,824,032.24/722,769.94 - Step 6: Final answer
x = 285,343.66
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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.