Finding the Fourth Proportional to 529,078.44, 729,630.86 and 408,027.98
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Solution
The fourth proportional to 529,078.44, 729,630.86 and 408,027.98 is: 562,695.02
Step by Step Solution
- Step 1: Write the proportion equation
529,078.44 : 729,630.86 = 408,027.98 : x - Step 2: Convert to fraction form
529,078.44/729,630.86 = 408,027.98/x - Step 3: Cross multiply
529,078.44x = 729,630.86 × 408,027.98 - Step 4: Simplify right side
529,078.44x = 297,709,805,951.46 - Step 5: Solve for x
x = 297,709,805,951.46/529,078.44 - Step 6: Final answer
x = 562,695.02
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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.