Finding the Fourth Proportional to 538,466.72, 743,089.14 and 296,757.99
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Solution
The fourth proportional to 538,466.72, 743,089.14 and 296,757.99 is: 409,528.82
Step by Step Solution
- Step 1: Write the proportion equation
538,466.72 : 743,089.14 = 296,757.99 : x - Step 2: Convert to fraction form
538,466.72/743,089.14 = 296,757.99/x - Step 3: Cross multiply
538,466.72x = 743,089.14 × 296,757.99 - Step 4: Simplify right side
538,466.72x = 220,517,639,577.23 - Step 5: Solve for x
x = 220,517,639,577.23/538,466.72 - Step 6: Final answer
x = 409,528.82
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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.