Finding the Fourth Proportional to 529,379.09, 730,483.84 and 299,887.21
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Solution
The fourth proportional to 529,379.09, 730,483.84 and 299,887.21 is: 413,810.75
Step by Step Solution
- Step 1: Write the proportion equation
529,379.09 : 730,483.84 = 299,887.21 : x - Step 2: Convert to fraction form
529,379.09/730,483.84 = 299,887.21/x - Step 3: Cross multiply
529,379.09x = 730,483.84 × 299,887.21 - Step 4: Simplify right side
529,379.09x = 219,062,760,727.69 - Step 5: Solve for x
x = 219,062,760,727.69/529,379.09 - Step 6: Final answer
x = 413,810.75
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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.