Finding the Fourth Proportional to 929,877.17, 1,283,213.75 and 521,946.99
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Solution
The fourth proportional to 929,877.17, 1,283,213.75 and 521,946.99 is: 720,277.45
Step by Step Solution
- Step 1: Write the proportion equation
929,877.17 : 1,283,213.75 = 521,946.99 : x - Step 2: Convert to fraction form
929,877.17/1,283,213.75 = 521,946.99/x - Step 3: Cross multiply
929,877.17x = 1,283,213.75 × 521,946.99 - Step 4: Simplify right side
929,877.17x = 669,769,551,729.38 - Step 5: Solve for x
x = 669,769,551,729.38/929,877.17 - Step 6: Final answer
x = 720,277.45
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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.