Finding the Fourth Proportional to 989,962.56, 1,365,115.68 and 587,476.80
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Solution
The fourth proportional to 989,962.56, 1,365,115.68 and 587,476.80 is: 810,105.17
Step by Step Solution
- Step 1: Write the proportion equation
989,962.56 : 1,365,115.68 = 587,476.80 : x - Step 2: Convert to fraction form
989,962.56/1,365,115.68 = 587,476.80/x - Step 3: Cross multiply
989,962.56x = 1,365,115.68 × 587,476.80 - Step 4: Simplify right side
989,962.56x = 801,973,791,316.22 - Step 5: Solve for x
x = 801,973,791,316.22/989,962.56 - Step 6: Final answer
x = 810,105.17
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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.