Finding the Fourth Proportional to 750,939.12, 1,036,301.00 and 406,775.07
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Solution
The fourth proportional to 750,939.12, 1,036,301.00 and 406,775.07 is: 561,352.31
Step by Step Solution
- Step 1: Write the proportion equation
750,939.12 : 1,036,301.00 = 406,775.07 : x - Step 2: Convert to fraction form
750,939.12/1,036,301.00 = 406,775.07/x - Step 3: Cross multiply
750,939.12x = 1,036,301.00 × 406,775.07 - Step 4: Simplify right side
750,939.12x = 421,541,412,070.30 - Step 5: Solve for x
x = 421,541,412,070.30/750,939.12 - Step 6: Final answer
x = 561,352.31
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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.