Finding the Fourth Proportional to 709,442.54, 977,367.21 and 494,193.14
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Solution
The fourth proportional to 709,442.54, 977,367.21 and 494,193.14 is: 680,827.75
Step by Step Solution
- Step 1: Write the proportion equation
709,442.54 : 977,367.21 = 494,193.14 : x - Step 2: Convert to fraction form
709,442.54/977,367.21 = 494,193.14/x - Step 3: Cross multiply
709,442.54x = 977,367.21 × 494,193.14 - Step 4: Simplify right side
709,442.54x = 483,008,165,556.10 - Step 5: Solve for x
x = 483,008,165,556.10/709,442.54 - Step 6: Final answer
x = 680,827.75
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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.