Finding the Fourth Proportional to 718,813.98, 1,078,318.17 and 245,372.22
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Solution
The fourth proportional to 718,813.98, 1,078,318.17 and 245,372.22 is: 368,091.51
Step by Step Solution
- Step 1: Write the proportion equation
718,813.98 : 1,078,318.17 = 245,372.22 : x - Step 2: Convert to fraction form
718,813.98/1,078,318.17 = 245,372.22/x - Step 3: Cross multiply
718,813.98x = 1,078,318.17 × 245,372.22 - Step 4: Simplify right side
718,813.98x = 264,589,323,239.24 - Step 5: Solve for x
x = 264,589,323,239.24/718,813.98 - Step 6: Final answer
x = 368,091.51
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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.