Finding the Fourth Proportional to 765,604.08, 1,148,406.48 and 344,387.84
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Solution
The fourth proportional to 765,604.08, 1,148,406.48 and 344,387.84 is: 516,581.92
Step by Step Solution
- Step 1: Write the proportion equation
765,604.08 : 1,148,406.48 = 344,387.84 : x - Step 2: Convert to fraction form
765,604.08/1,148,406.48 = 344,387.84/x - Step 3: Cross multiply
765,604.08x = 1,148,406.48 × 344,387.84 - Step 4: Simplify right side
765,604.08x = 395,497,227,089.20 - Step 5: Solve for x
x = 395,497,227,089.20/765,604.08 - Step 6: Final answer
x = 516,581.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.