Finding the Fourth Proportional to 570,049.44, 786,545.68 and 343,690.08
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Solution
The fourth proportional to 570,049.44, 786,545.68 and 343,690.08 is: 474,218.43
Step by Step Solution
- Step 1: Write the proportion equation
570,049.44 : 786,545.68 = 343,690.08 : x - Step 2: Convert to fraction form
570,049.44/786,545.68 = 343,690.08/x - Step 3: Cross multiply
570,049.44x = 786,545.68 × 343,690.08 - Step 4: Simplify right side
570,049.44x = 270,327,947,682.85 - Step 5: Solve for x
x = 270,327,947,682.85/570,049.44 - Step 6: Final answer
x = 474,218.43
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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.