Finding the Fourth Proportional to 714,920.31, 1,072,527.66 and 209,497.68
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Solution
The fourth proportional to 714,920.31, 1,072,527.66 and 209,497.68 is: 314,289.65
Step by Step Solution
- Step 1: Write the proportion equation
714,920.31 : 1,072,527.66 = 209,497.68 : x - Step 2: Convert to fraction form
714,920.31/1,072,527.66 = 209,497.68/x - Step 3: Cross multiply
714,920.31x = 1,072,527.66 × 209,497.68 - Step 4: Simplify right side
714,920.31x = 224,692,056,505.83 - Step 5: Solve for x
x = 224,692,056,505.83/714,920.31 - Step 6: Final answer
x = 314,289.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.