Finding the Fourth Proportional to 827,449.80, 1,240,518.60 and 453,472.80
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Solution
The fourth proportional to 827,449.80, 1,240,518.60 and 453,472.80 is: 679,849.63
Step by Step Solution
- Step 1: Write the proportion equation
827,449.80 : 1,240,518.60 = 453,472.80 : x - Step 2: Convert to fraction form
827,449.80/1,240,518.60 = 453,472.80/x - Step 3: Cross multiply
827,449.80x = 1,240,518.60 × 453,472.80 - Step 4: Simplify right side
827,449.80x = 562,541,442,994.08 - Step 5: Solve for x
x = 562,541,442,994.08/827,449.80 - Step 6: Final answer
x = 679,849.63
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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.