Finding the Fourth Proportional to 413,840.66, 621,195.35 and 366,756.98
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Solution
The fourth proportional to 413,840.66, 621,195.35 and 366,756.98 is: 550,520.41
Step by Step Solution
- Step 1: Write the proportion equation
413,840.66 : 621,195.35 = 366,756.98 : x - Step 2: Convert to fraction form
413,840.66/621,195.35 = 366,756.98/x - Step 3: Cross multiply
413,840.66x = 621,195.35 × 366,756.98 - Step 4: Simplify right side
413,840.66x = 227,827,729,003.06 - Step 5: Solve for x
x = 227,827,729,003.06/413,840.66 - Step 6: Final answer
x = 550,520.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.