Finding the Fourth Proportional to 529,985.03, 731,121.80 and 314,972.96
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Solution
The fourth proportional to 529,985.03, 731,121.80 and 314,972.96 is: 434,509.62
Step by Step Solution
- Step 1: Write the proportion equation
529,985.03 : 731,121.80 = 314,972.96 : x - Step 2: Convert to fraction form
529,985.03/731,121.80 = 314,972.96/x - Step 3: Cross multiply
529,985.03x = 731,121.80 × 314,972.96 - Step 4: Simplify right side
529,985.03x = 230,283,592,236.05 - Step 5: Solve for x
x = 230,283,592,236.05/529,985.03 - Step 6: Final answer
x = 434,509.62
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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.