Finding the Fourth Proportional to 542,799.45, 748,572.66 and 338,868.99
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Solution
The fourth proportional to 542,799.45, 748,572.66 and 338,868.99 is: 467,332.94
Step by Step Solution
- Step 1: Write the proportion equation
542,799.45 : 748,572.66 = 338,868.99 : x - Step 2: Convert to fraction form
542,799.45/748,572.66 = 338,868.99/x - Step 3: Cross multiply
542,799.45x = 748,572.66 × 338,868.99 - Step 4: Simplify right side
542,799.45x = 253,668,061,235.81 - Step 5: Solve for x
x = 253,668,061,235.81/542,799.45 - Step 6: Final answer
x = 467,332.94
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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.