Finding the Fourth Proportional to 521,245.44, 719,283.49 and 288,655.67
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Solution
The fourth proportional to 521,245.44, 719,283.49 and 288,655.67 is: 398,325.32
Step by Step Solution
- Step 1: Write the proportion equation
521,245.44 : 719,283.49 = 288,655.67 : x - Step 2: Convert to fraction form
521,245.44/719,283.49 = 288,655.67/x - Step 3: Cross multiply
521,245.44x = 719,283.49 × 288,655.67 - Step 4: Simplify right side
521,245.44x = 207,625,258,802.46 - Step 5: Solve for x
x = 207,625,258,802.46/521,245.44 - Step 6: Final answer
x = 398,325.32
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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.