Finding the Fourth Proportional to 626,513.54, 864,579.42 and 354,632.99
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Solution
The fourth proportional to 626,513.54, 864,579.42 and 354,632.99 is: 489,388.28
Step by Step Solution
- Step 1: Write the proportion equation
626,513.54 : 864,579.42 = 354,632.99 : x - Step 2: Convert to fraction form
626,513.54/864,579.42 = 354,632.99/x - Step 3: Cross multiply
626,513.54x = 864,579.42 × 354,632.99 - Step 4: Simplify right side
626,513.54x = 306,608,380,484.17 - Step 5: Solve for x
x = 306,608,380,484.17/626,513.54 - Step 6: Final answer
x = 489,388.28
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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.