Finding the Fourth Proportional to 623,421.19, 933,445.18 and 323,270.80
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Solution
The fourth proportional to 623,421.19, 933,445.18 and 323,270.80 is: 484,031.62
Step by Step Solution
- Step 1: Write the proportion equation
623,421.19 : 933,445.18 = 323,270.80 : x - Step 2: Convert to fraction form
623,421.19/933,445.18 = 323,270.80/x - Step 3: Cross multiply
623,421.19x = 933,445.18 × 323,270.80 - Step 4: Simplify right side
623,421.19x = 301,755,568,165.22 - Step 5: Solve for x
x = 301,755,568,165.22/623,421.19 - Step 6: Final answer
x = 484,031.62
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1.5x scale
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.