Finding the Fourth Proportional to 512,362.08, 707,017.68 and 297,433.44
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Solution
The fourth proportional to 512,362.08, 707,017.68 and 297,433.44 is: 410,433.77
Step by Step Solution
- Step 1: Write the proportion equation
512,362.08 : 707,017.68 = 297,433.44 : x - Step 2: Convert to fraction form
512,362.08/707,017.68 = 297,433.44/x - Step 3: Cross multiply
512,362.08x = 707,017.68 × 297,433.44 - Step 4: Simplify right side
512,362.08x = 210,290,700,703.22 - Step 5: Solve for x
x = 210,290,700,703.22/512,362.08 - Step 6: Final answer
x = 410,433.77
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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.