Finding the Fourth Proportional to 832,535.20, 1,248,858.60 and 292,726.84
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Solution
The fourth proportional to 832,535.20, 1,248,858.60 and 292,726.84 is: 439,109.88
Step by Step Solution
- Step 1: Write the proportion equation
832,535.20 : 1,248,858.60 = 292,726.84 : x - Step 2: Convert to fraction form
832,535.20/1,248,858.60 = 292,726.84/x - Step 3: Cross multiply
832,535.20x = 1,248,858.60 × 292,726.84 - Step 4: Simplify right side
832,535.20x = 365,574,431,584.82 - Step 5: Solve for x
x = 365,574,431,584.82/832,535.20 - Step 6: Final answer
x = 439,109.88
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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.