Finding the Fourth Proportional to 529,369.93, 730,529.08 and 287,652.49
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Solution
The fourth proportional to 529,369.93, 730,529.08 and 287,652.49 is: 396,959.66
Step by Step Solution
- Step 1: Write the proportion equation
529,369.93 : 730,529.08 = 287,652.49 : x - Step 2: Convert to fraction form
529,369.93/730,529.08 = 287,652.49/x - Step 3: Cross multiply
529,369.93x = 730,529.08 × 287,652.49 - Step 4: Simplify right side
529,369.93x = 210,138,508,879.41 - Step 5: Solve for x
x = 210,138,508,879.41/529,369.93 - Step 6: Final answer
x = 396,959.66
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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.