Finding the Fourth Proportional to 920,957.44, 1,378,885.36 and 470,708.68
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Solution
The fourth proportional to 920,957.44, 1,378,885.36 and 470,708.68 is: 704,759.29
Step by Step Solution
- Step 1: Write the proportion equation
920,957.44 : 1,378,885.36 = 470,708.68 : x - Step 2: Convert to fraction form
920,957.44/1,378,885.36 = 470,708.68/x - Step 3: Cross multiply
920,957.44x = 1,378,885.36 × 470,708.68 - Step 4: Simplify right side
920,957.44x = 649,053,307,676.93 - Step 5: Solve for x
x = 649,053,307,676.93/920,957.44 - Step 6: Final answer
x = 704,759.29
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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.