Finding the Fourth Proportional to 625,488.84, 863,174.08 and 339,008.84
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Solution
The fourth proportional to 625,488.84, 863,174.08 and 339,008.84 is: 467,831.92
Step by Step Solution
- Step 1: Write the proportion equation
625,488.84 : 863,174.08 = 339,008.84 : x - Step 2: Convert to fraction form
625,488.84/863,174.08 = 339,008.84/x - Step 3: Cross multiply
625,488.84x = 863,174.08 × 339,008.84 - Step 4: Simplify right side
625,488.84x = 292,623,643,578.87 - Step 5: Solve for x
x = 292,623,643,578.87/625,488.84 - Step 6: Final answer
x = 467,831.92
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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.