Finding the Fourth Proportional to 849,995.53, 1,268,774.57 and 749,107.99
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Solution
The fourth proportional to 849,995.53, 1,268,774.57 and 749,107.99 is: 1,118,181.37
Step by Step Solution
- Step 1: Write the proportion equation
849,995.53 : 1,268,774.57 = 749,107.99 : x - Step 2: Convert to fraction form
849,995.53/1,268,774.57 = 749,107.99/x - Step 3: Cross multiply
849,995.53x = 1,268,774.57 × 749,107.99 - Step 4: Simplify right side
849,995.53x = 950,449,167,895.81 - Step 5: Solve for x
x = 950,449,167,895.81/849,995.53 - Step 6: Final answer
x = 1,118,181.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.