Finding the Fourth Proportional to 833,428.18, 1,150,129.74 and 451,456.48
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Solution
The fourth proportional to 833,428.18, 1,150,129.74 and 451,456.48 is: 623,009.32
Step by Step Solution
- Step 1: Write the proportion equation
833,428.18 : 1,150,129.74 = 451,456.48 : x - Step 2: Convert to fraction form
833,428.18/1,150,129.74 = 451,456.48/x - Step 3: Cross multiply
833,428.18x = 1,150,129.74 × 451,456.48 - Step 4: Simplify right side
833,428.18x = 519,233,523,963.72 - Step 5: Solve for x
x = 519,233,523,963.72/833,428.18 - Step 6: Final answer
x = 623,009.32
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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.