Finding the Fourth Proportional to 805,536.40, 1,206,922.20 and 524,909.20
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Solution
The fourth proportional to 805,536.40, 1,206,922.20 and 524,909.20 is: 786,462.99
Step by Step Solution
- Step 1: Write the proportion equation
805,536.40 : 1,206,922.20 = 524,909.20 : x - Step 2: Convert to fraction form
805,536.40/1,206,922.20 = 524,909.20/x - Step 3: Cross multiply
805,536.40x = 1,206,922.20 × 524,909.20 - Step 4: Simplify right side
805,536.40x = 633,524,566,464.24 - Step 5: Solve for x
x = 633,524,566,464.24/805,536.40 - Step 6: Final answer
x = 786,462.99
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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.