Finding the Fourth Proportional to 829,181.97, 1,144,257.72 and 466,605.63
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Solution
The fourth proportional to 829,181.97, 1,144,257.72 and 466,605.63 is: 643,908.23
Step by Step Solution
- Step 1: Write the proportion equation
829,181.97 : 1,144,257.72 = 466,605.63 : x - Step 2: Convert to fraction form
829,181.97/1,144,257.72 = 466,605.63/x - Step 3: Cross multiply
829,181.97x = 1,144,257.72 × 466,605.63 - Step 4: Simplify right side
829,181.97x = 533,917,094,322.96 - Step 5: Solve for x
x = 533,917,094,322.96/829,181.97 - Step 6: Final answer
x = 643,908.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.