Finding the Fourth Proportional to 910,830.90, 1,366,246.35 and 279,743.70
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Solution
The fourth proportional to 910,830.90, 1,366,246.35 and 279,743.70 is: 419,615.55
Step by Step Solution
- Step 1: Write the proportion equation
910,830.90 : 1,366,246.35 = 279,743.70 : x - Step 2: Convert to fraction form
910,830.90/1,366,246.35 = 279,743.70/x - Step 3: Cross multiply
910,830.90x = 1,366,246.35 × 279,743.70 - Step 4: Simplify right side
910,830.90x = 382,198,809,060.50 - Step 5: Solve for x
x = 382,198,809,060.50/910,830.90 - Step 6: Final answer
x = 419,615.55
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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.