Finding the Fourth Proportional to 738,877.79, 1,108,363.35 and 312,334.08
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Solution
The fourth proportional to 738,877.79, 1,108,363.35 and 312,334.08 is: 468,520.84
Step by Step Solution
- Step 1: Write the proportion equation
738,877.79 : 1,108,363.35 = 312,334.08 : x - Step 2: Convert to fraction form
738,877.79/1,108,363.35 = 312,334.08/x - Step 3: Cross multiply
738,877.79x = 1,108,363.35 × 312,334.08 - Step 4: Simplify right side
738,877.79x = 346,179,647,227.97 - Step 5: Solve for x
x = 346,179,647,227.97/738,877.79 - Step 6: Final answer
x = 468,520.84
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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.