Finding the Fourth Proportional to 902,178.34, 1,245,006.09 and 494,295.66
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Solution
The fourth proportional to 902,178.34, 1,245,006.09 and 494,295.66 is: 682,127.99
Step by Step Solution
- Step 1: Write the proportion equation
902,178.34 : 1,245,006.09 = 494,295.66 : x - Step 2: Convert to fraction form
902,178.34/1,245,006.09 = 494,295.66/x - Step 3: Cross multiply
902,178.34x = 1,245,006.09 × 494,295.66 - Step 4: Simplify right side
902,178.34x = 615,401,098,264.06 - Step 5: Solve for x
x = 615,401,098,264.06/902,178.34 - Step 6: Final answer
x = 682,127.99
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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.