Finding the Fourth Proportional to 528,049.26, 728,834.01 and 313,313.94
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Solution
The fourth proportional to 528,049.26, 728,834.01 and 313,313.94 is: 432,448.02
Step by Step Solution
- Step 1: Write the proportion equation
528,049.26 : 728,834.01 = 313,313.94 : x - Step 2: Convert to fraction form
528,049.26/728,834.01 = 313,313.94/x - Step 3: Cross multiply
528,049.26x = 728,834.01 × 313,313.94 - Step 4: Simplify right side
528,049.26x = 228,353,855,279.10 - Step 5: Solve for x
x = 228,353,855,279.10/528,049.26 - Step 6: Final answer
x = 432,448.02
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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.