Finding the Fourth Proportional to 529,000.40, 793,840.80 and 292,512.80
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Solution
The fourth proportional to 529,000.40, 793,840.80 and 292,512.80 is: 438,957.31
Step by Step Solution
- Step 1: Write the proportion equation
529,000.40 : 793,840.80 = 292,512.80 : x - Step 2: Convert to fraction form
529,000.40/793,840.80 = 292,512.80/x - Step 3: Cross multiply
529,000.40x = 793,840.80 × 292,512.80 - Step 4: Simplify right side
529,000.40x = 232,208,595,162.24 - Step 5: Solve for x
x = 232,208,595,162.24/529,000.40 - Step 6: Final answer
x = 438,957.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.