Finding the Fourth Proportional to 529,476.08, 730,682.63 and 287,758.66
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Solution
The fourth proportional to 529,476.08, 730,682.63 and 287,758.66 is: 397,110.02
Step by Step Solution
- Step 1: Write the proportion equation
529,476.08 : 730,682.63 = 287,758.66 : x - Step 2: Convert to fraction form
529,476.08/730,682.63 = 287,758.66/x - Step 3: Cross multiply
529,476.08x = 730,682.63 × 287,758.66 - Step 4: Simplify right side
529,476.08x = 210,260,256,320.78 - Step 5: Solve for x
x = 210,260,256,320.78/529,476.08 - Step 6: Final answer
x = 397,110.02
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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.