Finding the Fourth Proportional to 631,346.74, 871,226.49 and 344,811.94
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Solution
The fourth proportional to 631,346.74, 871,226.49 and 344,811.94 is: 475,822.99
Step by Step Solution
- Step 1: Write the proportion equation
631,346.74 : 871,226.49 = 344,811.94 : x - Step 2: Convert to fraction form
631,346.74/871,226.49 = 344,811.94/x - Step 3: Cross multiply
631,346.74x = 871,226.49 × 344,811.94 - Step 4: Simplify right side
631,346.74x = 300,409,296,196.29 - Step 5: Solve for x
x = 300,409,296,196.29/631,346.74 - Step 6: Final answer
x = 475,822.99
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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.