Finding the Fourth Proportional to 847,996.98, 1,271,838.66 and 386,266.08
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Solution
The fourth proportional to 847,996.98, 1,271,838.66 and 386,266.08 is: 579,327.69
Step by Step Solution
- Step 1: Write the proportion equation
847,996.98 : 1,271,838.66 = 386,266.08 : x - Step 2: Convert to fraction form
847,996.98/1,271,838.66 = 386,266.08/x - Step 3: Cross multiply
847,996.98x = 1,271,838.66 × 386,266.08 - Step 4: Simplify right side
847,996.98x = 491,268,133,590.65 - Step 5: Solve for x
x = 491,268,133,590.65/847,996.98 - Step 6: Final answer
x = 579,327.69
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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.