Finding the Fourth Proportional to 623,445.23, 933,683.42 and 398,107.68
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Solution
The fourth proportional to 623,445.23, 933,683.42 and 398,107.68 is: 596,213.63
Step by Step Solution
- Step 1: Write the proportion equation
623,445.23 : 933,683.42 = 398,107.68 : x - Step 2: Convert to fraction form
623,445.23/933,683.42 = 398,107.68/x - Step 3: Cross multiply
623,445.23x = 933,683.42 × 398,107.68 - Step 4: Simplify right side
623,445.23x = 371,706,538,200.13 - Step 5: Solve for x
x = 371,706,538,200.13/623,445.23 - Step 6: Final answer
x = 596,213.63
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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.