Finding the Fourth Proportional to 513,222.84, 708,243.26 and 283,790.13
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Solution
The fourth proportional to 513,222.84, 708,243.26 and 283,790.13 is: 391,628.02
Step by Step Solution
- Step 1: Write the proportion equation
513,222.84 : 708,243.26 = 283,790.13 : x - Step 2: Convert to fraction form
513,222.84/708,243.26 = 283,790.13/x - Step 3: Cross multiply
513,222.84x = 708,243.26 × 283,790.13 - Step 4: Simplify right side
513,222.84x = 200,992,445,408.07 - Step 5: Solve for x
x = 200,992,445,408.07/513,222.84 - Step 6: Final answer
x = 391,628.02
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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.