Finding the Fourth Proportional to 772,264.73, 1,158,448.94 and 211,304.09
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Solution
The fourth proportional to 772,264.73, 1,158,448.94 and 211,304.09 is: 316,970.32
Step by Step Solution
- Step 1: Write the proportion equation
772,264.73 : 1,158,448.94 = 211,304.09 : x - Step 2: Convert to fraction form
772,264.73/1,158,448.94 = 211,304.09/x - Step 3: Cross multiply
772,264.73x = 1,158,448.94 × 211,304.09 - Step 4: Simplify right side
772,264.73x = 244,784,998,021.64 - Step 5: Solve for x
x = 244,784,998,021.64/772,264.73 - Step 6: Final answer
x = 316,970.32
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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.