Finding the Fourth Proportional to 482,415.75, 723,623.63 and 330,462.99
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Solution
The fourth proportional to 482,415.75, 723,623.63 and 330,462.99 is: 495,694.49
Step by Step Solution
- Step 1: Write the proportion equation
482,415.75 : 723,623.63 = 330,462.99 : x - Step 2: Convert to fraction form
482,415.75/723,623.63 = 330,462.99/x - Step 3: Cross multiply
482,415.75x = 723,623.63 × 330,462.99 - Step 4: Simplify right side
482,415.75x = 239,130,826,752.14 - Step 5: Solve for x
x = 239,130,826,752.14/482,415.75 - Step 6: Final answer
x = 495,694.49
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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.