Finding the Fourth Proportional to 948,273.05, 1,308,616.24 and 518,553.18
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Solution
The fourth proportional to 948,273.05, 1,308,616.24 and 518,553.18 is: 715,603.08
Step by Step Solution
- Step 1: Write the proportion equation
948,273.05 : 1,308,616.24 = 518,553.18 : x - Step 2: Convert to fraction form
948,273.05/1,308,616.24 = 518,553.18/x - Step 3: Cross multiply
948,273.05x = 1,308,616.24 × 518,553.18 - Step 4: Simplify right side
948,273.05x = 678,587,112,327.55 - Step 5: Solve for x
x = 678,587,112,327.55/948,273.05 - Step 6: Final answer
x = 715,603.08
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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.