Finding the Fourth Proportional to 626,565.96, 864,455.22 and 354,606.84
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Solution
The fourth proportional to 626,565.96, 864,455.22 and 354,606.84 is: 489,240.96
Step by Step Solution
- Step 1: Write the proportion equation
626,565.96 : 864,455.22 = 354,606.84 : x - Step 2: Convert to fraction form
626,565.96/864,455.22 = 354,606.84/x - Step 3: Cross multiply
626,565.96x = 864,455.22 × 354,606.84 - Step 4: Simplify right side
626,565.96x = 306,541,733,885.71 - Step 5: Solve for x
x = 306,541,733,885.71/626,565.96 - Step 6: Final answer
x = 489,240.96
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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.