Finding the Fourth Proportional to 643,864.02, 965,941.83 and 344,186.70
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Solution
The fourth proportional to 643,864.02, 965,941.83 and 344,186.70 is: 516,357.99
Step by Step Solution
- Step 1: Write the proportion equation
643,864.02 : 965,941.83 = 344,186.70 : x - Step 2: Convert to fraction form
643,864.02/965,941.83 = 344,186.70/x - Step 3: Cross multiply
643,864.02x = 965,941.83 × 344,186.70 - Step 4: Simplify right side
643,864.02x = 332,464,330,859.66 - Step 5: Solve for x
x = 332,464,330,859.66/643,864.02 - Step 6: Final answer
x = 516,357.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.