Finding the Fourth Proportional to 805,538.40, 1,206,925.20 and 524,911.20
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Solution
The fourth proportional to 805,538.40, 1,206,925.20 and 524,911.20 is: 786,465.99
Step by Step Solution
- Step 1: Write the proportion equation
805,538.40 : 1,206,925.20 = 524,911.20 : x - Step 2: Convert to fraction form
805,538.40/1,206,925.20 = 524,911.20/x - Step 3: Cross multiply
805,538.40x = 1,206,925.20 × 524,911.20 - Step 4: Simplify right side
805,538.40x = 633,528,555,042.24 - Step 5: Solve for x
x = 633,528,555,042.24/805,538.40 - Step 6: Final answer
x = 786,465.99
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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.