Finding the Fourth Proportional to 750,940.12, 1,036,302.38 and 406,776.07
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Solution
The fourth proportional to 750,940.12, 1,036,302.38 and 406,776.07 is: 561,353.69
Step by Step Solution
- Step 1: Write the proportion equation
750,940.12 : 1,036,302.38 = 406,776.07 : x - Step 2: Convert to fraction form
750,940.12/1,036,302.38 = 406,776.07/x - Step 3: Cross multiply
750,940.12x = 1,036,302.38 × 406,776.07 - Step 4: Simplify right side
750,940.12x = 421,543,009,468.05 - Step 5: Solve for x
x = 421,543,009,468.05/750,940.12 - Step 6: Final answer
x = 561,353.69
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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.