Finding the Fourth Proportional to 851,570.02, 1,275,909.08 and 513,901.12
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Solution
The fourth proportional to 851,570.02, 1,275,909.08 and 513,901.12 is: 769,979.09
Step by Step Solution
- Step 1: Write the proportion equation
851,570.02 : 1,275,909.08 = 513,901.12 : x - Step 2: Convert to fraction form
851,570.02/1,275,909.08 = 513,901.12/x - Step 3: Cross multiply
851,570.02x = 1,275,909.08 × 513,901.12 - Step 4: Simplify right side
851,570.02x = 655,691,105,230.17 - Step 5: Solve for x
x = 655,691,105,230.17/851,570.02 - Step 6: Final answer
x = 769,979.09
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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.