Finding the Fourth Proportional to 631,363.86, 871,267.97 and 344,885.08
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Solution
The fourth proportional to 631,363.86, 871,267.97 and 344,885.08 is: 475,933.68
Step by Step Solution
- Step 1: Write the proportion equation
631,363.86 : 871,267.97 = 344,885.08 : x - Step 2: Convert to fraction form
631,363.86/871,267.97 = 344,885.08/x - Step 3: Cross multiply
631,363.86x = 871,267.97 × 344,885.08 - Step 4: Simplify right side
631,363.86x = 300,487,322,899.55 - Step 5: Solve for x
x = 300,487,322,899.55/631,363.86 - Step 6: Final answer
x = 475,933.68
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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.