Finding the Fourth Proportional to 742,546.74, 1,114,288.68 and 316,081.95
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Solution
The fourth proportional to 742,546.74, 1,114,288.68 and 316,081.95 is: 474,322.38
Step by Step Solution
- Step 1: Write the proportion equation
742,546.74 : 1,114,288.68 = 316,081.95 : x - Step 2: Convert to fraction form
742,546.74/1,114,288.68 = 316,081.95/x - Step 3: Cross multiply
742,546.74x = 1,114,288.68 × 316,081.95 - Step 4: Simplify right side
742,546.74x = 352,206,538,837.33 - Step 5: Solve for x
x = 352,206,538,837.33/742,546.74 - Step 6: Final answer
x = 474,322.38
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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.