Finding the Fourth Proportional to 410,512.87, 566,898.99 and 388,148.36
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Solution
The fourth proportional to 410,512.87, 566,898.99 and 388,148.36 is: 536,014.65
Step by Step Solution
- Step 1: Write the proportion equation
410,512.87 : 566,898.99 = 388,148.36 : x - Step 2: Convert to fraction form
410,512.87/566,898.99 = 388,148.36/x - Step 3: Cross multiply
410,512.87x = 566,898.99 × 388,148.36 - Step 4: Simplify right side
410,512.87x = 220,040,913,254.16 - Step 5: Solve for x
x = 220,040,913,254.16/410,512.87 - Step 6: Final answer
x = 536,014.65
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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.