Finding the Fourth Proportional to 738,644.24, 1,108,753.68 and 711,875.36
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Solution
The fourth proportional to 738,644.24, 1,108,753.68 and 711,875.36 is: 1,068,571.83
Step by Step Solution
- Step 1: Write the proportion equation
738,644.24 : 1,108,753.68 = 711,875.36 : x - Step 2: Convert to fraction form
738,644.24/1,108,753.68 = 711,875.36/x - Step 3: Cross multiply
738,644.24x = 1,108,753.68 × 711,875.36 - Step 4: Simplify right side
738,644.24x = 789,294,425,101.33 - Step 5: Solve for x
x = 789,294,425,101.33/738,644.24 - Step 6: Final answer
x = 1,068,571.83
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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.