Finding the Fourth Proportional to 550,261.76, 759,038.70 and 345,988.94
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Solution
The fourth proportional to 550,261.76, 759,038.70 and 345,988.94 is: 477,261.94
Step by Step Solution
- Step 1: Write the proportion equation
550,261.76 : 759,038.70 = 345,988.94 : x - Step 2: Convert to fraction form
550,261.76/759,038.70 = 345,988.94/x - Step 3: Cross multiply
550,261.76x = 759,038.70 × 345,988.94 - Step 4: Simplify right side
550,261.76x = 262,618,995,231.98 - Step 5: Solve for x
x = 262,618,995,231.98/550,261.76 - Step 6: Final answer
x = 477,261.94
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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.