Finding the Fourth Proportional to 776,106.41, 1,164,159.94 and 349,143.53
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Solution
The fourth proportional to 776,106.41, 1,164,159.94 and 349,143.53 is: 523,715.44
Step by Step Solution
- Step 1: Write the proportion equation
776,106.41 : 1,164,159.94 = 349,143.53 : x - Step 2: Convert to fraction form
776,106.41/1,164,159.94 = 349,143.53/x - Step 3: Cross multiply
776,106.41x = 1,164,159.94 × 349,143.53 - Step 4: Simplify right side
776,106.41x = 406,458,910,353.85 - Step 5: Solve for x
x = 406,458,910,353.85/776,106.41 - Step 6: Final answer
x = 523,715.44
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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.