Finding the Fourth Proportional to 627,783.08, 866,301.84 and 352,125.76
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Solution
The fourth proportional to 627,783.08, 866,301.84 and 352,125.76 is: 485,911.78
Step by Step Solution
- Step 1: Write the proportion equation
627,783.08 : 866,301.84 = 352,125.76 : x - Step 2: Convert to fraction form
627,783.08/866,301.84 = 352,125.76/x - Step 3: Cross multiply
627,783.08x = 866,301.84 × 352,125.76 - Step 4: Simplify right side
627,783.08x = 305,047,193,799.40 - Step 5: Solve for x
x = 305,047,193,799.40/627,783.08 - Step 6: Final answer
x = 485,911.78
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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.