Finding the Fourth Proportional to 790,286.08, 1,090,552.96 and 432,520.96
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Solution
The fourth proportional to 790,286.08, 1,090,552.96 and 432,520.96 is: 596,856.03
Step by Step Solution
- Step 1: Write the proportion equation
790,286.08 : 1,090,552.96 = 432,520.96 : x - Step 2: Convert to fraction form
790,286.08/1,090,552.96 = 432,520.96/x - Step 3: Cross multiply
790,286.08x = 1,090,552.96 × 432,520.96 - Step 4: Simplify right side
790,286.08x = 471,687,013,190.04 - Step 5: Solve for x
x = 471,687,013,190.04/790,286.08 - Step 6: Final answer
x = 596,856.03
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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.