Finding the Fourth Proportional to 877,512.88, 1,315,793.65 and 403,775.88
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Solution
The fourth proportional to 877,512.88, 1,315,793.65 and 403,775.88 is: 605,444.95
Step by Step Solution
- Step 1: Write the proportion equation
877,512.88 : 1,315,793.65 = 403,775.88 : x - Step 2: Convert to fraction form
877,512.88/1,315,793.65 = 403,775.88/x - Step 3: Cross multiply
877,512.88x = 1,315,793.65 × 403,775.88 - Step 4: Simplify right side
877,512.88x = 531,285,738,927.16 - Step 5: Solve for x
x = 531,285,738,927.16/877,512.88 - Step 6: Final answer
x = 605,444.95
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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.