Finding the Fourth Proportional to 804,536.08, 1,206,934.80 and 272,089.60
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Solution
The fourth proportional to 804,536.08, 1,206,934.80 and 272,089.60 is: 408,178.60
Step by Step Solution
- Step 1: Write the proportion equation
804,536.08 : 1,206,934.80 = 272,089.60 : x - Step 2: Convert to fraction form
804,536.08/1,206,934.80 = 272,089.60/x - Step 3: Cross multiply
804,536.08x = 1,206,934.80 × 272,089.60 - Step 4: Simplify right side
804,536.08x = 328,394,406,958.08 - Step 5: Solve for x
x = 328,394,406,958.08/804,536.08 - Step 6: Final answer
x = 408,178.60
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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.