Finding the Fourth Proportional to 691,017.84, 953,562.67 and 380,906.84
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Solution
The fourth proportional to 691,017.84, 953,562.67 and 380,906.84 is: 525,628.32
Step by Step Solution
- Step 1: Write the proportion equation
691,017.84 : 953,562.67 = 380,906.84 : x - Step 2: Convert to fraction form
691,017.84/953,562.67 = 380,906.84/x - Step 3: Cross multiply
691,017.84x = 953,562.67 × 380,906.84 - Step 4: Simplify right side
691,017.84x = 363,218,544,803.30 - Step 5: Solve for x
x = 363,218,544,803.30/691,017.84 - Step 6: Final answer
x = 525,628.32
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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.