Finding the Fourth Proportional to 672,731.19, 928,357.20 and 366,809.99
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Solution
The fourth proportional to 672,731.19, 928,357.20 and 366,809.99 is: 506,191.32
Step by Step Solution
- Step 1: Write the proportion equation
672,731.19 : 928,357.20 = 366,809.99 : x - Step 2: Convert to fraction form
672,731.19/928,357.20 = 366,809.99/x - Step 3: Cross multiply
672,731.19x = 928,357.20 × 366,809.99 - Step 4: Simplify right side
672,731.19x = 340,530,690,606.64 - Step 5: Solve for x
x = 340,530,690,606.64/672,731.19 - Step 6: Final answer
x = 506,191.32
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1.5x scale
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.