Finding the Fourth Proportional to 626,541.58, 864,618.06 and 354,661.03
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Solution
The fourth proportional to 626,541.58, 864,618.06 and 354,661.03 is: 489,426.95
Step by Step Solution
- Step 1: Write the proportion equation
626,541.58 : 864,618.06 = 354,661.03 : x - Step 2: Convert to fraction form
626,541.58/864,618.06 = 354,661.03/x - Step 3: Cross multiply
626,541.58x = 864,618.06 × 354,661.03 - Step 4: Simplify right side
626,541.58x = 306,646,331,716.20 - Step 5: Solve for x
x = 306,646,331,716.20/626,541.58 - Step 6: Final answer
x = 489,426.95
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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.