Finding the Fourth Proportional to 723,929.99, 1,085,249.70 and 274,966.14
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Solution
The fourth proportional to 723,929.99, 1,085,249.70 and 274,966.14 is: 412,204.12
Step by Step Solution
- Step 1: Write the proportion equation
723,929.99 : 1,085,249.70 = 274,966.14 : x - Step 2: Convert to fraction form
723,929.99/1,085,249.70 = 274,966.14/x - Step 3: Cross multiply
723,929.99x = 1,085,249.70 × 274,966.14 - Step 4: Simplify right side
723,929.99x = 298,406,920,945.16 - Step 5: Solve for x
x = 298,406,920,945.16/723,929.99 - Step 6: Final answer
x = 412,204.12
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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.