Finding the Fourth Proportional to 989,473.93, 1,365,476.64 and 536,764.93
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Solution
The fourth proportional to 989,473.93, 1,365,476.64 and 536,764.93 is: 740,737.02
Step by Step Solution
- Step 1: Write the proportion equation
989,473.93 : 1,365,476.64 = 536,764.93 : x - Step 2: Convert to fraction form
989,473.93/1,365,476.64 = 536,764.93/x - Step 3: Cross multiply
989,473.93x = 1,365,476.64 × 536,764.93 - Step 4: Simplify right side
989,473.93x = 732,939,967,659.68 - Step 5: Solve for x
x = 732,939,967,659.68/989,473.93 - Step 6: Final answer
x = 740,737.02
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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.