Finding the Fourth Proportional to 626,191.68, 938,540.19 and 341,953.80
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Solution
The fourth proportional to 626,191.68, 938,540.19 and 341,953.80 is: 512,522.59
Step by Step Solution
- Step 1: Write the proportion equation
626,191.68 : 938,540.19 = 341,953.80 : x - Step 2: Convert to fraction form
626,191.68/938,540.19 = 341,953.80/x - Step 3: Cross multiply
626,191.68x = 938,540.19 × 341,953.80 - Step 4: Simplify right side
626,191.68x = 320,937,384,423.22 - Step 5: Solve for x
x = 320,937,384,423.22/626,191.68 - Step 6: Final answer
x = 512,522.59
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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.