Finding the Fourth Proportional to 808,384.05, 1,212,087.66 and 322,140.99
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Solution
The fourth proportional to 808,384.05, 1,212,087.66 and 322,140.99 is: 483,016.84
Step by Step Solution
- Step 1: Write the proportion equation
808,384.05 : 1,212,087.66 = 322,140.99 : x - Step 2: Convert to fraction form
808,384.05/1,212,087.66 = 322,140.99/x - Step 3: Cross multiply
808,384.05x = 1,212,087.66 × 322,140.99 - Step 4: Simplify right side
808,384.05x = 390,463,111,088.04 - Step 5: Solve for x
x = 390,463,111,088.04/808,384.05 - Step 6: Final answer
x = 483,016.84
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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.