Finding the Fourth Proportional to 529,901.12, 730,887.53 and 325,683.92
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Solution
The fourth proportional to 529,901.12, 730,887.53 and 325,683.92 is: 449,212.70
Step by Step Solution
- Step 1: Write the proportion equation
529,901.12 : 730,887.53 = 325,683.92 : x - Step 2: Convert to fraction form
529,901.12/730,887.53 = 325,683.92/x - Step 3: Cross multiply
529,901.12x = 730,887.53 × 325,683.92 - Step 4: Simplify right side
529,901.12x = 238,038,310,566.66 - Step 5: Solve for x
x = 238,038,310,566.66/529,901.12 - Step 6: Final answer
x = 449,212.70
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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.