Finding the Fourth Proportional to 891,207.30, 1,336,220.55 and 492,039.30
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Solution
The fourth proportional to 891,207.30, 1,336,220.55 and 492,039.30 is: 737,732.99
Step by Step Solution
- Step 1: Write the proportion equation
891,207.30 : 1,336,220.55 = 492,039.30 : x - Step 2: Convert to fraction form
891,207.30/1,336,220.55 = 492,039.30/x - Step 3: Cross multiply
891,207.30x = 1,336,220.55 × 492,039.30 - Step 4: Simplify right side
891,207.30x = 657,473,024,067.62 - Step 5: Solve for x
x = 657,473,024,067.62/891,207.30 - Step 6: Final answer
x = 737,732.99
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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.