Finding the Fourth Proportional to 777,485.94, 1,163,595.60 and 478,156.38
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Solution
The fourth proportional to 777,485.94, 1,163,595.60 and 478,156.38 is: 715,615.08
Step by Step Solution
- Step 1: Write the proportion equation
777,485.94 : 1,163,595.60 = 478,156.38 : x - Step 2: Convert to fraction form
777,485.94/1,163,595.60 = 478,156.38/x - Step 3: Cross multiply
777,485.94x = 1,163,595.60 × 478,156.38 - Step 4: Simplify right side
777,485.94x = 556,380,659,879.93 - Step 5: Solve for x
x = 556,380,659,879.93/777,485.94 - Step 6: Final answer
x = 715,615.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.