Finding the Fourth Proportional to 929,949.97, 1,283,260.11 and 521,972.99
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Solution
The fourth proportional to 929,949.97, 1,283,260.11 and 521,972.99 is: 720,282.96
Step by Step Solution
- Step 1: Write the proportion equation
929,949.97 : 1,283,260.11 = 521,972.99 : x - Step 2: Convert to fraction form
929,949.97/1,283,260.11 = 521,972.99/x - Step 3: Cross multiply
929,949.97x = 1,283,260.11 × 521,972.99 - Step 4: Simplify right side
929,949.97x = 669,827,116,564.43 - Step 5: Solve for x
x = 669,827,116,564.43/929,949.97 - Step 6: Final answer
x = 720,282.96
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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.