Finding the Fourth Proportional to 771,234.12, 1,156,838.76 and 210,268.62
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Solution
The fourth proportional to 771,234.12, 1,156,838.76 and 210,268.62 is: 315,399.54
Step by Step Solution
- Step 1: Write the proportion equation
771,234.12 : 1,156,838.76 = 210,268.62 : x - Step 2: Convert to fraction form
771,234.12/1,156,838.76 = 210,268.62/x - Step 3: Cross multiply
771,234.12x = 1,156,838.76 × 210,268.62 - Step 4: Simplify right side
771,234.12x = 243,246,889,627.71 - Step 5: Solve for x
x = 243,246,889,627.71/771,234.12 - Step 6: Final answer
x = 315,399.54
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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.