Finding the Fourth Proportional to 802,143, 1,106,957.34 and 479,866.68
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Solution
The fourth proportional to 802,143, 1,106,957.34 and 479,866.68 is: 662,216.02
Step by Step Solution
- Step 1: Write the proportion equation
802,143 : 1,106,957.34 = 479,866.68 : x - Step 2: Convert to fraction form
802,143/1,106,957.34 = 479,866.68/x - Step 3: Cross multiply
802,143x = 1,106,957.34 × 479,866.68 - Step 4: Simplify right side
802,143x = 531,191,943,647.43 - Step 5: Solve for x
x = 531,191,943,647.43/802,143 - Step 6: Final answer
x = 662,216.02
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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.