Finding the Fourth Proportional to 636,804.56, 878,797.55 and 364,866.99
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Solution
The fourth proportional to 636,804.56, 878,797.55 and 364,866.99 is: 503,520.61
Step by Step Solution
- Step 1: Write the proportion equation
636,804.56 : 878,797.55 = 364,866.99 : x - Step 2: Convert to fraction form
636,804.56/878,797.55 = 364,866.99/x - Step 3: Cross multiply
636,804.56x = 878,797.55 × 364,866.99 - Step 4: Simplify right side
636,804.56x = 320,644,219,727.28 - Step 5: Solve for x
x = 320,644,219,727.28/636,804.56 - Step 6: Final answer
x = 503,520.61
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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.