Finding the Fourth Proportional to 771,162.14, 1,156,979.67 and 345,056.63
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Solution
The fourth proportional to 771,162.14, 1,156,979.67 and 345,056.63 is: 517,690.74
Step by Step Solution
- Step 1: Write the proportion equation
771,162.14 : 1,156,979.67 = 345,056.63 : x - Step 2: Convert to fraction form
771,162.14/1,156,979.67 = 345,056.63/x - Step 3: Cross multiply
771,162.14x = 1,156,979.67 × 345,056.63 - Step 4: Simplify right side
771,162.14x = 399,223,500,123.81 - Step 5: Solve for x
x = 399,223,500,123.81/771,162.14 - Step 6: Final answer
x = 517,690.74
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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.