Finding the Fourth Proportional to 611,888.11, 844,431.85 and 339,955.99
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Solution
The fourth proportional to 611,888.11, 844,431.85 and 339,955.99 is: 469,153.86
Step by Step Solution
- Step 1: Write the proportion equation
611,888.11 : 844,431.85 = 339,955.99 : x - Step 2: Convert to fraction form
611,888.11/844,431.85 = 339,955.99/x - Step 3: Cross multiply
611,888.11x = 844,431.85 × 339,955.99 - Step 4: Simplify right side
611,888.11x = 287,069,668,618.08 - Step 5: Solve for x
x = 287,069,668,618.08/611,888.11 - Step 6: Final answer
x = 469,153.86
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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.