Finding the Fourth Proportional to 920,959.44, 1,378,888.36 and 470,710.68
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Solution
The fourth proportional to 920,959.44, 1,378,888.36 and 470,710.68 is: 704,762.28
Step by Step Solution
- Step 1: Write the proportion equation
920,959.44 : 1,378,888.36 = 470,710.68 : x - Step 2: Convert to fraction form
920,959.44/1,378,888.36 = 470,710.68/x - Step 3: Cross multiply
920,959.44x = 1,378,888.36 × 470,710.68 - Step 4: Simplify right side
920,959.44x = 649,057,477,579.69 - Step 5: Solve for x
x = 649,057,477,579.69/920,959.44 - Step 6: Final answer
x = 704,762.28
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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.