Finding the Fourth Proportional to 826,542.28, 1,239,813.42 and 265,970.44
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Solution
The fourth proportional to 826,542.28, 1,239,813.42 and 265,970.44 is: 398,955.66
Step by Step Solution
- Step 1: Write the proportion equation
826,542.28 : 1,239,813.42 = 265,970.44 : x - Step 2: Convert to fraction form
826,542.28/1,239,813.42 = 265,970.44/x - Step 3: Cross multiply
826,542.28x = 1,239,813.42 × 265,970.44 - Step 4: Simplify right side
826,542.28x = 329,753,720,835.31 - Step 5: Solve for x
x = 329,753,720,835.31/826,542.28 - Step 6: Final answer
x = 398,955.66
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Similar ratio
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1.5x scale
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.