Finding the Fourth Proportional to 626,541.08, 864,617.37 and 354,660.53
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Solution
The fourth proportional to 626,541.08, 864,617.37 and 354,660.53 is: 489,426.26
Step by Step Solution
- Step 1: Write the proportion equation
626,541.08 : 864,617.37 = 354,660.53 : x - Step 2: Convert to fraction form
626,541.08/864,617.37 = 354,660.53/x - Step 3: Cross multiply
626,541.08x = 864,617.37 × 354,660.53 - Step 4: Simplify right side
626,541.08x = 306,645,654,691.41 - Step 5: Solve for x
x = 306,645,654,691.41/626,541.08 - Step 6: Final answer
x = 489,426.26
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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.