Finding the Fourth Proportional to 719,346.62, 992,698.44 and 397,056.84
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Solution
The fourth proportional to 719,346.62, 992,698.44 and 397,056.84 is: 547,938.49
Step by Step Solution
- Step 1: Write the proportion equation
719,346.62 : 992,698.44 = 397,056.84 : x - Step 2: Convert to fraction form
719,346.62/992,698.44 = 397,056.84/x - Step 3: Cross multiply
719,346.62x = 992,698.44 × 397,056.84 - Step 4: Simplify right side
719,346.62x = 394,157,700,447.75 - Step 5: Solve for x
x = 394,157,700,447.75/719,346.62 - Step 6: Final answer
x = 547,938.49
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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.