Finding the Fourth Proportional to 750,685.49, 1,035,946.52 and 406,524.12
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Solution
The fourth proportional to 750,685.49, 1,035,946.52 and 406,524.12 is: 561,003.58
Step by Step Solution
- Step 1: Write the proportion equation
750,685.49 : 1,035,946.52 = 406,524.12 : x - Step 2: Convert to fraction form
750,685.49/1,035,946.52 = 406,524.12/x - Step 3: Cross multiply
750,685.49x = 1,035,946.52 × 406,524.12 - Step 4: Simplify right side
750,685.49x = 421,137,247,967.31 - Step 5: Solve for x
x = 421,137,247,967.31/750,685.49 - Step 6: Final answer
x = 561,003.58
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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.