Finding the Fourth Proportional to 802,756.80, 1,107,854.08 and 445,060.80
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Solution
The fourth proportional to 802,756.80, 1,107,854.08 and 445,060.80 is: 614,211.46
Step by Step Solution
- Step 1: Write the proportion equation
802,756.80 : 1,107,854.08 = 445,060.80 : x - Step 2: Convert to fraction form
802,756.80/1,107,854.08 = 445,060.80/x - Step 3: Cross multiply
802,756.80x = 1,107,854.08 × 445,060.80 - Step 4: Simplify right side
802,756.80x = 493,062,423,128.06 - Step 5: Solve for x
x = 493,062,423,128.06/802,756.80 - Step 6: Final answer
x = 614,211.46
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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.