Finding the Fourth Proportional to 656,718.04, 985,132.96 and 207,318.70
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Solution
The fourth proportional to 656,718.04, 985,132.96 and 207,318.70 is: 310,995.70
Step by Step Solution
- Step 1: Write the proportion equation
656,718.04 : 985,132.96 = 207,318.70 : x - Step 2: Convert to fraction form
656,718.04/985,132.96 = 207,318.70/x - Step 3: Cross multiply
656,718.04x = 985,132.96 × 207,318.70 - Step 4: Simplify right side
656,718.04x = 204,236,484,594.35 - Step 5: Solve for x
x = 204,236,484,594.35/656,718.04 - Step 6: Final answer
x = 310,995.70
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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.