Finding the Fourth Proportional to 805,878.97, 1,112,089.39 and 443,302.62
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Solution
The fourth proportional to 805,878.97, 1,112,089.39 and 443,302.62 is: 611,744.64
Step by Step Solution
- Step 1: Write the proportion equation
805,878.97 : 1,112,089.39 = 443,302.62 : x - Step 2: Convert to fraction form
805,878.97/1,112,089.39 = 443,302.62/x - Step 3: Cross multiply
805,878.97x = 1,112,089.39 × 443,302.62 - Step 4: Simplify right side
805,878.97x = 492,992,140,614.74 - Step 5: Solve for x
x = 492,992,140,614.74/805,878.97 - Step 6: Final answer
x = 611,744.64
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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.