Finding the Fourth Proportional to 509,948.03, 703,193.97 and 380,679.17
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Solution
The fourth proportional to 509,948.03, 703,193.97 and 380,679.17 is: 524,938.38
Step by Step Solution
- Step 1: Write the proportion equation
509,948.03 : 703,193.97 = 380,679.17 : x - Step 2: Convert to fraction form
509,948.03/703,193.97 = 380,679.17/x - Step 3: Cross multiply
509,948.03x = 703,193.97 × 380,679.17 - Step 4: Simplify right side
509,948.03x = 267,691,295,131.93 - Step 5: Solve for x
x = 267,691,295,131.93/509,948.03 - Step 6: Final answer
x = 524,938.38
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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.