Finding the Fourth Proportional to 823,901.70, 1,235,852.55 and 292,023.30
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Solution
The fourth proportional to 823,901.70, 1,235,852.55 and 292,023.30 is: 438,034.95
Step by Step Solution
- Step 1: Write the proportion equation
823,901.70 : 1,235,852.55 = 292,023.30 : x - Step 2: Convert to fraction form
823,901.70/1,235,852.55 = 292,023.30/x - Step 3: Cross multiply
823,901.70x = 1,235,852.55 × 292,023.30 - Step 4: Simplify right side
823,901.70x = 360,897,739,964.42 - Step 5: Solve for x
x = 360,897,739,964.42/823,901.70 - Step 6: Final answer
x = 438,034.95
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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.