Finding the Fourth Proportional to 636,444.36, 878,298.66 and 364,537.08
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Solution
The fourth proportional to 636,444.36, 878,298.66 and 364,537.08 is: 503,064.29
Step by Step Solution
- Step 1: Write the proportion equation
636,444.36 : 878,298.66 = 364,537.08 : x - Step 2: Convert to fraction form
636,444.36/878,298.66 = 364,537.08/x - Step 3: Cross multiply
636,444.36x = 878,298.66 × 364,537.08 - Step 4: Simplify right side
636,444.36x = 320,172,428,884.31 - Step 5: Solve for x
x = 320,172,428,884.31/636,444.36 - Step 6: Final answer
x = 503,064.29
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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.