Finding the Fourth Proportional to 652,014.75, 899,783.64 and 380,271.09
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Solution
The fourth proportional to 652,014.75, 899,783.64 and 380,271.09 is: 524,776.02
Step by Step Solution
- Step 1: Write the proportion equation
652,014.75 : 899,783.64 = 380,271.09 : x - Step 2: Convert to fraction form
652,014.75/899,783.64 = 380,271.09/x - Step 3: Cross multiply
652,014.75x = 899,783.64 × 380,271.09 - Step 4: Simplify right side
652,014.75x = 342,161,705,546.97 - Step 5: Solve for x
x = 342,161,705,546.97/652,014.75 - Step 6: Final answer
x = 524,776.02
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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.