Finding the Fourth Proportional to 989,564.88, 1,365,602.17 and 536,855.88
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Solution
The fourth proportional to 989,564.88, 1,365,602.17 and 536,855.88 is: 740,862.54
Step by Step Solution
- Step 1: Write the proportion equation
989,564.88 : 1,365,602.17 = 536,855.88 : x - Step 2: Convert to fraction form
989,564.88/1,365,602.17 = 536,855.88/x - Step 3: Cross multiply
989,564.88x = 1,365,602.17 × 536,855.88 - Step 4: Simplify right side
989,564.88x = 733,131,554,705.26 - Step 5: Solve for x
x = 733,131,554,705.26/989,564.88 - Step 6: Final answer
x = 740,862.54
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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.