Finding the Fourth Proportional to 694,671.13, 1,041,975.40 and 289,696.58
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Solution
The fourth proportional to 694,671.13, 1,041,975.40 and 289,696.58 is: 434,531.82
Step by Step Solution
- Step 1: Write the proportion equation
694,671.13 : 1,041,975.40 = 289,696.58 : x - Step 2: Convert to fraction form
694,671.13/1,041,975.40 = 289,696.58/x - Step 3: Cross multiply
694,671.13x = 1,041,975.40 × 289,696.58 - Step 4: Simplify right side
694,671.13x = 301,856,709,824.13 - Step 5: Solve for x
x = 301,856,709,824.13/694,671.13 - Step 6: Final answer
x = 434,531.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.