Finding the Fourth Proportional to 751,331.13, 1,036,511.15 and 497,036.49
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Solution
The fourth proportional to 751,331.13, 1,036,511.15 and 497,036.49 is: 685,694.82
Step by Step Solution
- Step 1: Write the proportion equation
751,331.13 : 1,036,511.15 = 497,036.49 : x - Step 2: Convert to fraction form
751,331.13/1,036,511.15 = 497,036.49/x - Step 3: Cross multiply
751,331.13x = 1,036,511.15 × 497,036.49 - Step 4: Simplify right side
751,331.13x = 515,183,861,356.68 - Step 5: Solve for x
x = 515,183,861,356.68/751,331.13 - Step 6: Final answer
x = 685,694.82
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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.