Finding the Fourth Proportional to 798,438.24, 1,101,806.08 and 454,241.76
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Solution
The fourth proportional to 798,438.24, 1,101,806.08 and 454,241.76 is: 626,831.62
Step by Step Solution
- Step 1: Write the proportion equation
798,438.24 : 1,101,806.08 = 454,241.76 : x - Step 2: Convert to fraction form
798,438.24/1,101,806.08 = 454,241.76/x - Step 3: Cross multiply
798,438.24x = 1,101,806.08 × 454,241.76 - Step 4: Simplify right side
798,438.24x = 500,486,332,957.90 - Step 5: Solve for x
x = 500,486,332,957.90/798,438.24 - Step 6: Final answer
x = 626,831.62
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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.