Finding the Fourth Proportional to 512,952.93, 707,911.70 and 283,505.28
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Solution
The fourth proportional to 512,952.93, 707,911.70 and 283,505.28 is: 391,257.54
Step by Step Solution
- Step 1: Write the proportion equation
512,952.93 : 707,911.70 = 283,505.28 : x - Step 2: Convert to fraction form
512,952.93/707,911.70 = 283,505.28/x - Step 3: Cross multiply
512,952.93x = 707,911.70 × 283,505.28 - Step 4: Simplify right side
512,952.93x = 200,696,703,306.25 - Step 5: Solve for x
x = 200,696,703,306.25/512,952.93 - Step 6: Final answer
x = 391,257.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.