Finding the Fourth Proportional to 704,619.91, 972,627.64 and 418,139.99
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Solution
The fourth proportional to 704,619.91, 972,627.64 and 418,139.99 is: 577,182.82
Step by Step Solution
- Step 1: Write the proportion equation
704,619.91 : 972,627.64 = 418,139.99 : x - Step 2: Convert to fraction form
704,619.91/972,627.64 = 418,139.99/x - Step 3: Cross multiply
704,619.91x = 972,627.64 × 418,139.99 - Step 4: Simplify right side
704,619.91x = 406,694,505,754.84 - Step 5: Solve for x
x = 406,694,505,754.84/704,619.91 - Step 6: Final answer
x = 577,182.82
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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.