Finding the Fourth Proportional to 949,328.09, 1,310,070.57 and 519,604.46
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Solution
The fourth proportional to 949,328.09, 1,310,070.57 and 519,604.46 is: 717,052.95
Step by Step Solution
- Step 1: Write the proportion equation
949,328.09 : 1,310,070.57 = 519,604.46 : x - Step 2: Convert to fraction form
949,328.09/1,310,070.57 = 519,604.46/x - Step 3: Cross multiply
949,328.09x = 1,310,070.57 × 519,604.46 - Step 4: Simplify right side
949,328.09x = 680,718,511,086.74 - Step 5: Solve for x
x = 680,718,511,086.74/949,328.09 - Step 6: Final answer
x = 717,052.95
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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.