Finding the Fourth Proportional to 512,590.55, 707,370.50 and 283,163.85
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Solution
The fourth proportional to 512,590.55, 707,370.50 and 283,163.85 is: 390,763.65
Step by Step Solution
- Step 1: Write the proportion equation
512,590.55 : 707,370.50 = 283,163.85 : x - Step 2: Convert to fraction form
512,590.55/707,370.50 = 283,163.85/x - Step 3: Cross multiply
512,590.55x = 707,370.50 × 283,163.85 - Step 4: Simplify right side
512,590.55x = 200,301,754,864.34 - Step 5: Solve for x
x = 200,301,754,864.34/512,590.55 - Step 6: Final answer
x = 390,763.65
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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.