Finding the Fourth Proportional to 821,979.26, 1,232,969.09 and 537,909.02
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Solution
The fourth proportional to 821,979.26, 1,232,969.09 and 537,909.02 is: 806,863.66
Step by Step Solution
- Step 1: Write the proportion equation
821,979.26 : 1,232,969.09 = 537,909.02 : x - Step 2: Convert to fraction form
821,979.26/1,232,969.09 = 537,909.02/x - Step 3: Cross multiply
821,979.26x = 1,232,969.09 × 537,909.02 - Step 4: Simplify right side
821,979.26x = 663,225,186,037.80 - Step 5: Solve for x
x = 663,225,186,037.80/821,979.26 - Step 6: Final answer
x = 806,863.66
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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.