Finding the Fourth Proportional to 992,926.80, 1,489,447.80 and 283,006.80
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Solution
The fourth proportional to 992,926.80, 1,489,447.80 and 283,006.80 is: 424,526.62
Step by Step Solution
- Step 1: Write the proportion equation
992,926.80 : 1,489,447.80 = 283,006.80 : x - Step 2: Convert to fraction form
992,926.80/1,489,447.80 = 283,006.80/x - Step 3: Cross multiply
992,926.80x = 1,489,447.80 × 283,006.80 - Step 4: Simplify right side
992,926.80x = 421,523,855,645.04 - Step 5: Solve for x
x = 421,523,855,645.04/992,926.80 - Step 6: Final answer
x = 424,526.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.