Finding the Fourth Proportional to 862,590.08, 1,190,379.18 and 500,229.08
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Solution
The fourth proportional to 862,590.08, 1,190,379.18 and 500,229.08 is: 690,318.95
Step by Step Solution
- Step 1: Write the proportion equation
862,590.08 : 1,190,379.18 = 500,229.08 : x - Step 2: Convert to fraction form
862,590.08/1,190,379.18 = 500,229.08/x - Step 3: Cross multiply
862,590.08x = 1,190,379.18 × 500,229.08 - Step 4: Simplify right side
862,590.08x = 595,462,282,062.56 - Step 5: Solve for x
x = 595,462,282,062.56/862,590.08 - Step 6: Final answer
x = 690,318.95
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1.5x scale
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.