Finding the Fourth Proportional to 679,536.72, 1,019,279.08 and 206,202.96
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Solution
The fourth proportional to 679,536.72, 1,019,279.08 and 206,202.96 is: 309,296.55
Step by Step Solution
- Step 1: Write the proportion equation
679,536.72 : 1,019,279.08 = 206,202.96 : x - Step 2: Convert to fraction form
679,536.72/1,019,279.08 = 206,202.96/x - Step 3: Cross multiply
679,536.72x = 1,019,279.08 × 206,202.96 - Step 4: Simplify right side
679,536.72x = 210,178,363,362.08 - Step 5: Solve for x
x = 210,178,363,362.08/679,536.72 - Step 6: Final answer
x = 309,296.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.