Finding the Fourth Proportional to 611,768.88, 844,375.98 and 339,930.18
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Solution
The fourth proportional to 611,768.88, 844,375.98 and 339,930.18 is: 469,178.62
Step by Step Solution
- Step 1: Write the proportion equation
611,768.88 : 844,375.98 = 339,930.18 : x - Step 2: Convert to fraction form
611,768.88/844,375.98 = 339,930.18/x - Step 3: Cross multiply
611,768.88x = 844,375.98 × 339,930.18 - Step 4: Simplify right side
611,768.88x = 287,028,878,869.08 - Step 5: Solve for x
x = 287,028,878,869.08/611,768.88 - Step 6: Final answer
x = 469,178.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.