Finding the Fourth Proportional to 431,597.40, 595,415.44 and 411,586.35
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Solution
The fourth proportional to 431,597.40, 595,415.44 and 411,586.35 is: 567,808.95
Step by Step Solution
- Step 1: Write the proportion equation
431,597.40 : 595,415.44 = 411,586.35 : x - Step 2: Convert to fraction form
431,597.40/595,415.44 = 411,586.35/x - Step 3: Cross multiply
431,597.40x = 595,415.44 × 411,586.35 - Step 4: Simplify right side
431,597.40x = 245,064,867,683.24 - Step 5: Solve for x
x = 245,064,867,683.24/431,597.40 - Step 6: Final answer
x = 567,808.95
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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.