Finding the Fourth Proportional to 894,872.16, 1,234,927.68 and 512,921.28
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Solution
The fourth proportional to 894,872.16, 1,234,927.68 and 512,921.28 is: 707,833.72
Step by Step Solution
- Step 1: Write the proportion equation
894,872.16 : 1,234,927.68 = 512,921.28 : x - Step 2: Convert to fraction form
894,872.16/1,234,927.68 = 512,921.28/x - Step 3: Cross multiply
894,872.16x = 1,234,927.68 × 512,921.28 - Step 4: Simplify right side
894,872.16x = 633,420,686,333.03 - Step 5: Solve for x
x = 633,420,686,333.03/894,872.16 - Step 6: Final answer
x = 707,833.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.