Finding the Fourth Proportional to 634,892.64, 876,177.09 and 348,423.06
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Solution
The fourth proportional to 634,892.64, 876,177.09 and 348,423.06 is: 480,837.68
Step by Step Solution
- Step 1: Write the proportion equation
634,892.64 : 876,177.09 = 348,423.06 : x - Step 2: Convert to fraction form
634,892.64/876,177.09 = 348,423.06/x - Step 3: Cross multiply
634,892.64x = 876,177.09 × 348,423.06 - Step 4: Simplify right side
634,892.64x = 305,280,302,799.70 - Step 5: Solve for x
x = 305,280,302,799.70/634,892.64 - Step 6: Final answer
x = 480,837.68
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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.