Finding the Fourth Proportional to 845,204.34, 1,267,773.66 and 339,613.68
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Solution
The fourth proportional to 845,204.34, 1,267,773.66 and 339,613.68 is: 509,407.32
Step by Step Solution
- Step 1: Write the proportion equation
845,204.34 : 1,267,773.66 = 339,613.68 : x - Step 2: Convert to fraction form
845,204.34/1,267,773.66 = 339,613.68/x - Step 3: Cross multiply
845,204.34x = 1,267,773.66 × 339,613.68 - Step 4: Simplify right side
845,204.34x = 430,553,278,079.67 - Step 5: Solve for x
x = 430,553,278,079.67/845,204.34 - Step 6: Final answer
x = 509,407.32
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1.5x scale
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.