Finding the Fourth Proportional to 513,650.77, 708,824.42 and 284,202.07
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Solution
The fourth proportional to 513,650.77, 708,824.42 and 284,202.07 is: 392,191.31
Step by Step Solution
- Step 1: Write the proportion equation
513,650.77 : 708,824.42 = 284,202.07 : x - Step 2: Convert to fraction form
513,650.77/708,824.42 = 284,202.07/x - Step 3: Cross multiply
513,650.77x = 708,824.42 × 284,202.07 - Step 4: Simplify right side
513,650.77x = 201,449,365,303.24 - Step 5: Solve for x
x = 201,449,365,303.24/513,650.77 - Step 6: Final answer
x = 392,191.31
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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.