Finding the Fourth Proportional to 535,625.12, 737,743.74 and 399,221.93
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Solution
The fourth proportional to 535,625.12, 737,743.74 and 399,221.93 is: 549,868.68
Step by Step Solution
- Step 1: Write the proportion equation
535,625.12 : 737,743.74 = 399,221.93 : x - Step 2: Convert to fraction form
535,625.12/737,743.74 = 399,221.93/x - Step 3: Cross multiply
535,625.12x = 737,743.74 × 399,221.93 - Step 4: Simplify right side
535,625.12x = 294,523,479,728.22 - Step 5: Solve for x
x = 294,523,479,728.22/535,625.12 - Step 6: Final answer
x = 549,868.68
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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.