Finding the Fourth Proportional to 727,968.84, 1,004,597.98 and 405,671.88
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Solution
The fourth proportional to 727,968.84, 1,004,597.98 and 405,671.88 is: 559,827.74
Step by Step Solution
- Step 1: Write the proportion equation
727,968.84 : 1,004,597.98 = 405,671.88 : x - Step 2: Convert to fraction form
727,968.84/1,004,597.98 = 405,671.88/x - Step 3: Cross multiply
727,968.84x = 1,004,597.98 × 405,671.88 - Step 4: Simplify right side
727,968.84x = 407,537,151,190.80 - Step 5: Solve for x
x = 407,537,151,190.80/727,968.84 - Step 6: Final answer
x = 559,827.74
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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.