Finding the Fourth Proportional to 869,926.92, 1,305,844.92 and 691,161.44
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Solution
The fourth proportional to 869,926.92, 1,305,844.92 and 691,161.44 is: 1,037,500.55
Step by Step Solution
- Step 1: Write the proportion equation
869,926.92 : 1,305,844.92 = 691,161.44 : x - Step 2: Convert to fraction form
869,926.92/1,305,844.92 = 691,161.44/x - Step 3: Cross multiply
869,926.92x = 1,305,844.92 × 691,161.44 - Step 4: Simplify right side
869,926.92x = 902,549,655,323.89 - Step 5: Solve for x
x = 902,549,655,323.89/869,926.92 - Step 6: Final answer
x = 1,037,500.55
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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.