Finding the Fourth Proportional to 808,722.36, 1,212,229.80 and 302,952.96
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Solution
The fourth proportional to 808,722.36, 1,212,229.80 and 302,952.96 is: 454,109.62
Step by Step Solution
- Step 1: Write the proportion equation
808,722.36 : 1,212,229.80 = 302,952.96 : x - Step 2: Convert to fraction form
808,722.36/1,212,229.80 = 302,952.96/x - Step 3: Cross multiply
808,722.36x = 1,212,229.80 × 302,952.96 - Step 4: Simplify right side
808,722.36x = 367,248,606,110.21 - Step 5: Solve for x
x = 367,248,606,110.21/808,722.36 - Step 6: Final answer
x = 454,109.62
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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.