Finding the Fourth Proportional to 529,060.64, 730,108.94 and 287,347.92
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Solution
The fourth proportional to 529,060.64, 730,108.94 and 287,347.92 is: 396,542.99
Step by Step Solution
- Step 1: Write the proportion equation
529,060.64 : 730,108.94 = 287,347.92 : x - Step 2: Convert to fraction form
529,060.64/730,108.94 = 287,347.92/x - Step 3: Cross multiply
529,060.64x = 730,108.94 × 287,347.92 - Step 4: Simplify right side
529,060.64x = 209,795,283,845.67 - Step 5: Solve for x
x = 209,795,283,845.67/529,060.64 - Step 6: Final answer
x = 396,542.99
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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.