Finding the Fourth Proportional to 875,201.20, 1,310,177.40 and 823,296.40
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Solution
The fourth proportional to 875,201.20, 1,310,177.40 and 823,296.40 is: 1,232,475.84
Step by Step Solution
- Step 1: Write the proportion equation
875,201.20 : 1,310,177.40 = 823,296.40 : x - Step 2: Convert to fraction form
875,201.20/1,310,177.40 = 823,296.40/x - Step 3: Cross multiply
875,201.20x = 1,310,177.40 × 823,296.40 - Step 4: Simplify right side
875,201.20x = 1,078,664,336,781.36 - Step 5: Solve for x
x = 1,078,664,336,781.36/875,201.20 - Step 6: Final answer
x = 1,232,475.84
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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.