Finding the Fourth Proportional to 798,985.88, 1,102,593.95 and 436,409.96
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Solution
The fourth proportional to 798,985.88, 1,102,593.95 and 436,409.96 is: 602,242.16
Step by Step Solution
- Step 1: Write the proportion equation
798,985.88 : 1,102,593.95 = 436,409.96 : x - Step 2: Convert to fraction form
798,985.88/1,102,593.95 = 436,409.96/x - Step 3: Cross multiply
798,985.88x = 1,102,593.95 × 436,409.96 - Step 4: Simplify right side
798,985.88x = 481,182,981,615.74 - Step 5: Solve for x
x = 481,182,981,615.74/798,985.88 - Step 6: Final answer
x = 602,242.16
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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.