Finding the Fourth Proportional to 910,276.80, 1,365,415.20 and 833,513.10
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Solution
The fourth proportional to 910,276.80, 1,365,415.20 and 833,513.10 is: 1,250,269.65
Step by Step Solution
- Step 1: Write the proportion equation
910,276.80 : 1,365,415.20 = 833,513.10 : x - Step 2: Convert to fraction form
910,276.80/1,365,415.20 = 833,513.10/x - Step 3: Cross multiply
910,276.80x = 1,365,415.20 × 833,513.10 - Step 4: Simplify right side
910,276.80x = 1,138,091,456,139.12 - Step 5: Solve for x
x = 1,138,091,456,139.12/910,276.80 - Step 6: Final answer
x = 1,250,269.65
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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.