Finding the Fourth Proportional to 741,932.78, 1,112,151.48 and 292,479.68
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Solution
The fourth proportional to 741,932.78, 1,112,151.48 and 292,479.68 is: 438,424.77
Step by Step Solution
- Step 1: Write the proportion equation
741,932.78 : 1,112,151.48 = 292,479.68 : x - Step 2: Convert to fraction form
741,932.78/1,112,151.48 = 292,479.68/x - Step 3: Cross multiply
741,932.78x = 1,112,151.48 × 292,479.68 - Step 4: Simplify right side
741,932.78x = 325,281,703,421.17 - Step 5: Solve for x
x = 325,281,703,421.17/741,932.78 - Step 6: Final answer
x = 438,424.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.