Finding the Fourth Proportional to 740,279.98, 1,021,524.24 and 434,324.14
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Solution
The fourth proportional to 740,279.98, 1,021,524.24 and 434,324.14 is: 599,330.86
Step by Step Solution
- Step 1: Write the proportion equation
740,279.98 : 1,021,524.24 = 434,324.14 : x - Step 2: Convert to fraction form
740,279.98/1,021,524.24 = 434,324.14/x - Step 3: Cross multiply
740,279.98x = 1,021,524.24 × 434,324.14 - Step 4: Simplify right side
740,279.98x = 443,672,637,027.15 - Step 5: Solve for x
x = 443,672,637,027.15/740,279.98 - Step 6: Final answer
x = 599,330.86
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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.