Finding the Fourth Proportional to 503,960.99, 695,415.73 and 310,337.68
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Solution
The fourth proportional to 503,960.99, 695,415.73 and 310,337.68 is: 428,234.94
Step by Step Solution
- Step 1: Write the proportion equation
503,960.99 : 695,415.73 = 310,337.68 : x - Step 2: Convert to fraction form
503,960.99/695,415.73 = 310,337.68/x - Step 3: Cross multiply
503,960.99x = 695,415.73 × 310,337.68 - Step 4: Simplify right side
503,960.99x = 215,813,703,655.11 - Step 5: Solve for x
x = 215,813,703,655.11/503,960.99 - Step 6: Final answer
x = 428,234.94
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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.