Finding the Fourth Proportional to 561,695.40, 844,292.70 and 551,197.80
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Solution
The fourth proportional to 561,695.40, 844,292.70 and 551,197.80 is: 828,513.60
Step by Step Solution
- Step 1: Write the proportion equation
561,695.40 : 844,292.70 = 551,197.80 : x - Step 2: Convert to fraction form
561,695.40/844,292.70 = 551,197.80/x - Step 3: Cross multiply
561,695.40x = 844,292.70 × 551,197.80 - Step 4: Simplify right side
561,695.40x = 465,372,278,796.06 - Step 5: Solve for x
x = 465,372,278,796.06/561,695.40 - Step 6: Final answer
x = 828,513.60
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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.