Finding the Fourth Proportional to 750,102.67, 1,035,133.61 and 405,930.99
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Solution
The fourth proportional to 750,102.67, 1,035,133.61 and 405,930.99 is: 560,180.39
Step by Step Solution
- Step 1: Write the proportion equation
750,102.67 : 1,035,133.61 = 405,930.99 : x - Step 2: Convert to fraction form
750,102.67/1,035,133.61 = 405,930.99/x - Step 3: Cross multiply
750,102.67x = 1,035,133.61 × 405,930.99 - Step 4: Simplify right side
750,102.67x = 420,192,809,402.41 - Step 5: Solve for x
x = 420,192,809,402.41/750,102.67 - Step 6: Final answer
x = 560,180.39
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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.