Finding the Fourth Proportional to 993,745.08, 1,371,368.46 and 558,163.08
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Solution
The fourth proportional to 993,745.08, 1,371,368.46 and 558,163.08 is: 770,265.19
Step by Step Solution
- Step 1: Write the proportion equation
993,745.08 : 1,371,368.46 = 558,163.08 : x - Step 2: Convert to fraction form
993,745.08/1,371,368.46 = 558,163.08/x - Step 3: Cross multiply
993,745.08x = 1,371,368.46 × 558,163.08 - Step 4: Simplify right side
993,745.08x = 765,447,243,448.46 - Step 5: Solve for x
x = 765,447,243,448.46/993,745.08 - Step 6: Final answer
x = 770,265.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.