Finding the Fourth Proportional to 823,908.70, 1,235,863.05 and 292,030.30
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Solution
The fourth proportional to 823,908.70, 1,235,863.05 and 292,030.30 is: 438,045.45
Step by Step Solution
- Step 1: Write the proportion equation
823,908.70 : 1,235,863.05 = 292,030.30 : x - Step 2: Convert to fraction form
823,908.70/1,235,863.05 = 292,030.30/x - Step 3: Cross multiply
823,908.70x = 1,235,863.05 × 292,030.30 - Step 4: Simplify right side
823,908.70x = 360,909,457,250.42 - Step 5: Solve for x
x = 360,909,457,250.42/823,908.70 - Step 6: Final answer
x = 438,045.45
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Similar ratio
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.