Finding the Fourth Proportional to 719,056.49, 992,657.21 and 447,212.02
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Solution
The fourth proportional to 719,056.49, 992,657.21 and 447,212.02 is: 617,376.02
Step by Step Solution
- Step 1: Write the proportion equation
719,056.49 : 992,657.21 = 447,212.02 : x - Step 2: Convert to fraction form
719,056.49/992,657.21 = 447,212.02/x - Step 3: Cross multiply
719,056.49x = 992,657.21 × 447,212.02 - Step 4: Simplify right side
719,056.49x = 443,928,234,688.05 - Step 5: Solve for x
x = 443,928,234,688.05/719,056.49 - Step 6: Final answer
x = 617,376.02
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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.