Finding the Fourth Proportional to 894,130.96, 1,233,876.12 and 491,722.96
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Solution
The fourth proportional to 894,130.96, 1,233,876.12 and 491,722.96 is: 678,564.15
Step by Step Solution
- Step 1: Write the proportion equation
894,130.96 : 1,233,876.12 = 491,722.96 : x - Step 2: Convert to fraction form
894,130.96/1,233,876.12 = 491,722.96/x - Step 3: Cross multiply
894,130.96x = 1,233,876.12 × 491,722.96 - Step 4: Simplify right side
894,130.96x = 606,725,217,999.72 - Step 5: Solve for x
x = 606,725,217,999.72/894,130.96 - Step 6: Final answer
x = 678,564.15
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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.