Finding the Fourth Proportional to 513,847.08, 709,049.79 and 296,087.49
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Solution
The fourth proportional to 513,847.08, 709,049.79 and 296,087.49 is: 408,566.64
Step by Step Solution
- Step 1: Write the proportion equation
513,847.08 : 709,049.79 = 296,087.49 : x - Step 2: Convert to fraction form
513,847.08/709,049.79 = 296,087.49/x - Step 3: Cross multiply
513,847.08x = 709,049.79 × 296,087.49 - Step 4: Simplify right side
513,847.08x = 209,940,772,606.13 - Step 5: Solve for x
x = 209,940,772,606.13/513,847.08 - Step 6: Final answer
x = 408,566.64
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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.