Finding the Fourth Proportional to 832,471.12, 1,248,716.12 and 292,743.46
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Solution
The fourth proportional to 832,471.12, 1,248,716.12 and 292,743.46 is: 439,118.51
Step by Step Solution
- Step 1: Write the proportion equation
832,471.12 : 1,248,716.12 = 292,743.46 : x - Step 2: Convert to fraction form
832,471.12/1,248,716.12 = 292,743.46/x - Step 3: Cross multiply
832,471.12x = 1,248,716.12 × 292,743.46 - Step 4: Simplify right side
832,471.12x = 365,553,477,526.58 - Step 5: Solve for x
x = 365,553,477,526.58/832,471.12 - Step 6: Final answer
x = 439,118.51
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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.