Finding the Fourth Proportional to 750,409.68, 1,035,560.59 and 406,243.09
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Solution
The fourth proportional to 750,409.68, 1,035,560.59 and 406,243.09 is: 560,612.88
Step by Step Solution
- Step 1: Write the proportion equation
750,409.68 : 1,035,560.59 = 406,243.09 : x - Step 2: Convert to fraction form
750,409.68/1,035,560.59 = 406,243.09/x - Step 3: Cross multiply
750,409.68x = 1,035,560.59 × 406,243.09 - Step 4: Simplify right side
750,409.68x = 420,689,333,963.82 - Step 5: Solve for x
x = 420,689,333,963.82/750,409.68 - Step 6: Final answer
x = 560,612.88
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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.