Finding the Fourth Proportional to 896,821.01, 1,236,913.16 and 574,561.09
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Solution
The fourth proportional to 896,821.01, 1,236,913.16 and 574,561.09 is: 792,445.94
Step by Step Solution
- Step 1: Write the proportion equation
896,821.01 : 1,236,913.16 = 574,561.09 : x - Step 2: Convert to fraction form
896,821.01/1,236,913.16 = 574,561.09/x - Step 3: Cross multiply
896,821.01x = 1,236,913.16 × 574,561.09 - Step 4: Simplify right side
896,821.01x = 710,682,167,479.86 - Step 5: Solve for x
x = 710,682,167,479.86/896,821.01 - Step 6: Final answer
x = 792,445.94
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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.