Finding the Fourth Proportional to 877,064.81, 1,315,761.17 and 277,865.08
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Solution
The fourth proportional to 877,064.81, 1,315,761.17 and 277,865.08 is: 416,849.56
Step by Step Solution
- Step 1: Write the proportion equation
877,064.81 : 1,315,761.17 = 277,865.08 : x - Step 2: Convert to fraction form
877,064.81/1,315,761.17 = 277,865.08/x - Step 3: Cross multiply
877,064.81x = 1,315,761.17 × 277,865.08 - Step 4: Simplify right side
877,064.81x = 365,604,078,084.22 - Step 5: Solve for x
x = 365,604,078,084.22/877,064.81 - Step 6: Final answer
x = 416,849.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.