Finding the Fourth Proportional to 781,153.52, 1,077,982.16 and 458,892.99
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Solution
The fourth proportional to 781,153.52, 1,077,982.16 and 458,892.99 is: 633,266.63
Step by Step Solution
- Step 1: Write the proportion equation
781,153.52 : 1,077,982.16 = 458,892.99 : x - Step 2: Convert to fraction form
781,153.52/1,077,982.16 = 458,892.99/x - Step 3: Cross multiply
781,153.52x = 1,077,982.16 × 458,892.99 - Step 4: Simplify right side
781,153.52x = 494,678,454,274.59 - Step 5: Solve for x
x = 494,678,454,274.59/781,153.52 - Step 6: Final answer
x = 633,266.63
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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.