Finding the Fourth Proportional to 631,747.08, 871,811.04 and 345,267.08
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Solution
The fourth proportional to 631,747.08, 871,811.04 and 345,267.08 is: 476,468.61
Step by Step Solution
- Step 1: Write the proportion equation
631,747.08 : 871,811.04 = 345,267.08 : x - Step 2: Convert to fraction form
631,747.08/871,811.04 = 345,267.08/x - Step 3: Cross multiply
631,747.08x = 871,811.04 × 345,267.08 - Step 4: Simplify right side
631,747.08x = 301,007,652,092.56 - Step 5: Solve for x
x = 301,007,652,092.56/631,747.08 - Step 6: Final answer
x = 476,468.61
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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.