Finding the Fourth Proportional to 894,329.75, 1,234,174.16 and 512,358.05
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Solution
The fourth proportional to 894,329.75, 1,234,174.16 and 512,358.05 is: 707,053.59
Step by Step Solution
- Step 1: Write the proportion equation
894,329.75 : 1,234,174.16 = 512,358.05 : x - Step 2: Convert to fraction form
894,329.75/1,234,174.16 = 512,358.05/x - Step 3: Cross multiply
894,329.75x = 1,234,174.16 × 512,358.05 - Step 4: Simplify right side
894,329.75x = 632,339,057,245.33 - Step 5: Solve for x
x = 632,339,057,245.33/894,329.75 - Step 6: Final answer
x = 707,053.59
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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.