Finding the Fourth Proportional to 746,975.14, 1,120,745.81 and 447,670.53
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Solution
The fourth proportional to 746,975.14, 1,120,745.81 and 447,670.53 is: 671,675.46
Step by Step Solution
- Step 1: Write the proportion equation
746,975.14 : 1,120,745.81 = 447,670.53 : x - Step 2: Convert to fraction form
746,975.14/1,120,745.81 = 447,670.53/x - Step 3: Cross multiply
746,975.14x = 1,120,745.81 × 447,670.53 - Step 4: Simplify right side
746,975.14x = 501,724,871,877.16 - Step 5: Solve for x
x = 501,724,871,877.16/746,975.14 - Step 6: Final answer
x = 671,675.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.