Finding the Fourth Proportional to 588,021.40, 880,919.16 and 347,415.76
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Solution
The fourth proportional to 588,021.40, 880,919.16 and 347,415.76 is: 520,466.09
Step by Step Solution
- Step 1: Write the proportion equation
588,021.40 : 880,919.16 = 347,415.76 : x - Step 2: Convert to fraction form
588,021.40/880,919.16 = 347,415.76/x - Step 3: Cross multiply
588,021.40x = 880,919.16 × 347,415.76 - Step 4: Simplify right side
588,021.40x = 306,045,199,469.96 - Step 5: Solve for x
x = 306,045,199,469.96/588,021.40 - Step 6: Final answer
x = 520,466.09
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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.