Finding the Fourth Proportional to 611,769.88, 844,377.36 and 339,931.18
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Solution
The fourth proportional to 611,769.88, 844,377.36 and 339,931.18 is: 469,180.00
Step by Step Solution
- Step 1: Write the proportion equation
611,769.88 : 844,377.36 = 339,931.18 : x - Step 2: Convert to fraction form
611,769.88/844,377.36 = 339,931.18/x - Step 3: Cross multiply
611,769.88x = 844,377.36 × 339,931.18 - Step 4: Simplify right side
611,769.88x = 287,030,192,350.09 - Step 5: Solve for x
x = 287,030,192,350.09/611,769.88 - Step 6: Final answer
x = 469,180.00
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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.